Inputmask/js/inputmask.js

/*
 * Input Mask Core
 * http://github.com/RobinHerbots/jquery.inputmask
 * Copyright (c) 2010 -	Robin Herbots
 * Licensed under the MIT license (http://www.opensource.org/licenses/mit-license.php)
 * Version: 0.0.0-dev
 */
(function (factory) {
    if (typeof define === "function" && define.amd) {
        define(["./dependencyLibs/inputmask.dependencyLib", "./global/window", "./global/document"], factory);
    } else if (typeof exports === "object") {
        module.exports = factory(require("./dependencyLibs/inputmask.dependencyLib"), require("./global/window"), require("./global/document"));
    } else {
        window.Inputmask = factory(window.dependencyLib || jQuery, window, document);
    }
}
(function ($, window, document, undefined) {
        var ua = navigator.userAgent,
            mobile = /mobile/i.test(ua),
            iemobile = /iemobile/i.test(ua),
            iphone = /iphone/i.test(ua) && !iemobile,
            android = /android/i.test(ua) && !iemobile;

        function Inputmask(alias, options, internal) {
            //allow instanciating without new
            if (!(this instanceof Inputmask)) {
                return new Inputmask(alias, options, internal);
            }

            this.el = undefined;
            this.events = {};
            this.maskset = undefined;
            this.refreshValue = false; //indicate a refresh from the inputvalue is needed (form.reset)

            if (internal !== true) {
                //init options
                if ($.isPlainObject(alias)) {
                    options = alias;
                } else {
                    options = options || {};
                    options.alias = alias;
                }
                this.opts = $.extend(true, {}, this.defaults, options);
                this.noMasksCache = options && options.definitions !== undefined;
                this.userOptions = options || {}; //user passed options
                this.isRTL = this.opts.numericInput;
                resolveAlias(this.opts.alias, options, this.opts);
            }
        }

        Inputmask.prototype = {
            dataAttribute: "data-inputmask", //data attribute prefix used for attribute binding
            //options default
            defaults: {
                placeholder: "_",
                optionalmarker: {
                    start: "[",
                    end: "]"
                },
                quantifiermarker: {
                    start: "{",
                    end: "}"
                },
                groupmarker: {
                    start: "(",
                    end: ")"
                },
                alternatormarker: "|",
                escapeChar: "\\",
                mask: null, //needs tobe null instead of undefined as the extend method does not consider props with the undefined value
                regex: null, //regular expression as a mask
                oncomplete: $.noop, //executes when the mask is complete
                onincomplete: $.noop, //executes when the mask is incomplete and focus is lost
                oncleared: $.noop, //executes when the mask is cleared
                repeat: 0, //repetitions of the mask: * ~ forever, otherwise specify an integer
                greedy: true, //true: allocated buffer for the mask and repetitions - false: allocate only if needed
                autoUnmask: false, //automatically unmask when retrieving the value with $.fn.val or value if the browser supports __lookupGetter__ or getOwnPropertyDescriptor
                removeMaskOnSubmit: false, //remove the mask before submitting the form.
                clearMaskOnLostFocus: true,
                insertMode: true, //insert the input or overwrite the input
                clearIncomplete: false, //clear the incomplete input on blur
                alias: null,
                onKeyDown: $.noop, //callback to implement autocomplete on certain keys for example. args => event, buffer, caretPos, opts
                onBeforeMask: null, //executes before masking the initial value to allow preprocessing of the initial value.	args => initialValue, opts => return processedValue
                onBeforePaste: function (pastedValue, opts) {
                    return $.isFunction(opts.onBeforeMask) ? opts.onBeforeMask(pastedValue, opts) : pastedValue;
                }, //executes before masking the pasted value to allow preprocessing of the pasted value.	args => pastedValue, opts => return processedValue
                onBeforeWrite: null, //executes before writing to the masked element. args => event, opts
                onUnMask: null, //executes after unmasking to allow postprocessing of the unmaskedvalue.	args => maskedValue, unmaskedValue, opts
                showMaskOnFocus: true, //show the mask-placeholder when the input has focus
                showMaskOnHover: true, //show the mask-placeholder when hovering the empty input
                onKeyValidation: $.noop, //executes on every key-press with the result of isValid. Params: key, result, opts
                skipOptionalPartCharacter: " ", //a character which can be used to skip an optional part of a mask
                numericInput: false, //numericInput input direction style (input shifts to the left while holding the caret position)
                rightAlign: false, //align to the right
                undoOnEscape: true, //pressing escape reverts the value to the value before focus
                //numeric basic properties
                radixPoint: "", //".", // | ","
                radixPointDefinitionSymbol: undefined, //set the radixPoint definitionSymbol ~ used for awareness of the radixpoint
                groupSeparator: "", //",", // | "."
                //numeric basic properties
                keepStatic: null, //try to keep the mask static while typing. Decisions to alter the mask will be posponed if possible - null see auto selection for multi masks
                positionCaretOnTab: true, //when enabled the caret position is set after the latest valid position on TAB
                tabThrough: false, //allows for tabbing through the different parts of the masked field
                supportsInputType: ["text", "tel", "password"], //list with the supported input types
                //specify keyCodes which should not be considered in the keypress event, otherwise the preventDefault will stop their default behavior especially in FF
                ignorables: [8, 9, 13, 19, 27, 33, 34, 35, 36, 37, 38, 39, 40, 45, 46, 93, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 0, 229],
                isComplete: null, //override for isComplete - args => buffer, opts - return true || false
                canClearPosition: $.noop, //hook to alter the clear behavior in the stripValidPositions args => maskset, position, lastValidPosition, opts => return true|false/command object
                preValidation: null, //hook to preValidate the input.  Usefull for validating regardless the definition.	args => buffer, pos, char, isSelection, opts => return true/false/command object
                postValidation: null, //hook to postValidate the result from isValid.	Usefull for validating the entry as a whole.	args => buffer, currentResult, opts => return true/false/json
                staticDefinitionSymbol: undefined, //specify a definitionSymbol for static content, used to make matches for alternators
                jitMasking: false, //just in time masking ~ only mask while typing, can n (number), true or false
                nullable: true, //return nothing instead of the buffertemplate when the user hasn't entered anything.
                inputEventOnly: false, //dev option - testing inputfallback behavior
                noValuePatching: false, //disable value property patching
                positionCaretOnClick: "lvp", //none, lvp (based on the last valid position (default), radixFocus (position caret to radixpoint on initial click)
                casing: null, //mask-level casing. Options: null, "upper", "lower" or "title" or callback args => elem, test, pos, validPositions return charValue
                inputmode: "verbatim", //specify the inputmode  - already in place for when browsers will support it
                colorMask: false, //enable css styleable mask
                androidHack: false //see README_android.md
            },
            definitions: {
                "9": {
                    validator: "[0-9]",
                    cardinality: 1,
                    definitionSymbol: "*"
                },
                "a": {
                    validator: "[A-Za-z\u0410-\u044F\u0401\u0451\u00C0-\u00FF\u00B5]",
                    cardinality: 1,
                    definitionSymbol: "*"
                },
                "*": {
                    validator: "[0-9A-Za-z\u0410-\u044F\u0401\u0451\u00C0-\u00FF\u00B5]",
                    cardinality: 1
                }
            },
            aliases: {}, //aliases definitions => see jquery.inputmask.extensions.js
            masksCache: {},
            mask: function (elems) {
                var that = this;

                function importAttributeOptions(npt, opts, userOptions, dataAttribute) {
                    //handle dir=rtl
                    if (npt.dir === "rtl" || opts.rightAlign) {
                        npt.style.textAlign = "right";
                    }

                    if (npt.dir === "rtl" || opts.numericInput) {
                        npt.dir = "ltr";
                        npt.removeAttribute("dir");
                        opts.isRTL = true;
                    }

                    var attrOptions = npt.getAttribute(dataAttribute),
                        option, dataoptions, optionData, p;

                    function importOption(option, optionData) {
                        optionData = optionData !== undefined ? optionData : npt.getAttribute(dataAttribute + "-" + option);
                        if (optionData !== null) {
                            if (typeof optionData === "string") {
                                if (option.indexOf("on") === 0) optionData = window[optionData]; //get function definition
                                else if (optionData === "false") optionData = false;
                                else if (optionData === "true") optionData = true;
                            }
                            userOptions[option] = optionData;
                        }
                    }

                    if (attrOptions && attrOptions !== "") {
                        attrOptions = attrOptions.replace(new RegExp("'", "g"), '"');
                        dataoptions = JSON.parse("{" + attrOptions + "}");
                    }

                    //resolve aliases
                    if (dataoptions) { //pickup alias from dataAttribute
                        optionData = undefined;
                        for (p in dataoptions) {
                            if (p.toLowerCase() === "alias") {
                                optionData = dataoptions[p];
                                break;
                            }
                        }
                    }
                    importOption("alias", optionData); //pickup alias from dataAttribute-alias
                    if (userOptions.alias) {
                        resolveAlias(userOptions.alias, userOptions, opts);
                    }

                    for (option in opts) {
                        if (dataoptions) {
                            optionData = undefined;
                            for (p in dataoptions) {
                                if (p.toLowerCase() === option.toLowerCase()) {
                                    optionData = dataoptions[p];
                                    break;
                                }
                            }
                        }
                        importOption(option, optionData);
                    }

                    $.extend(true, opts, userOptions);
                    return opts;
                }

                if (typeof elems === "string") {
                    elems = document.getElementById(elems) || document.querySelectorAll(elems);
                }
                elems = elems.nodeName ? [elems] : elems;
                $.each(elems, function (ndx, el) {
                    var scopedOpts = $.extend(true, {}, that.opts);
                    importAttributeOptions(el, scopedOpts, $.extend(true, {}, that.userOptions), that.dataAttribute);
                    var maskset = generateMaskSet(scopedOpts, that.noMasksCache);
                    if (maskset !== undefined) {
                        if (el.inputmask !== undefined) {
                            el.inputmask.remove();
                        }
                        //store inputmask instance on the input with element reference
                        el.inputmask = new Inputmask(undefined, undefined, true);
                        el.inputmask.opts = scopedOpts;
                        el.inputmask.noMasksCache = that.noMasksCache;
                        el.inputmask.userOptions = $.extend(true, {}, that.userOptions);
                        el.inputmask.isRTL = scopedOpts.isRTL;
                        el.inputmask.el = el;
                        el.inputmask.maskset = maskset;

                        $.data(el, "_inputmask_opts", scopedOpts);

                        maskScope.call(el.inputmask, {
                            "action": "mask"
                        });
                    }
                });
                return elems && elems[0] ? (elems[0].inputmask || this) : this;
            },
            option: function (options, noremask) { //set extra options || retrieve value of a current option
                if (typeof options === "string") {
                    return this.opts[options];
                } else if (typeof options === "object") {
                    $.extend(this.userOptions, options); //user passed options
                    //remask
                    if (this.el && noremask !== true) {
                        this.mask(this.el);
                    }
                    return this;
                }
            },
            unmaskedvalue: function (value) {
                this.maskset = this.maskset || generateMaskSet(this.opts, this.noMasksCache);
                return maskScope.call(this, {
                    "action": "unmaskedvalue",
                    "value": value
                });
            },
            remove: function () {
                return maskScope.call(this, {
                    "action": "remove"
                });
            },
            getemptymask: function () { //return the default (empty) mask value, usefull for setting the default value in validation
                this.maskset = this.maskset || generateMaskSet(this.opts, this.noMasksCache);
                return maskScope.call(this, {
                    "action": "getemptymask"
                });
            },
            hasMaskedValue: function () { //check wheter the returned value is masked or not; currently only works reliable when using jquery.val fn to retrieve the value
                return !this.opts.autoUnmask;
            },
            isComplete: function () {
                this.maskset = this.maskset || generateMaskSet(this.opts, this.noMasksCache);
                return maskScope.call(this, {
                    "action": "isComplete"
                });
            },
            getmetadata: function () { //return mask metadata if exists
                this.maskset = this.maskset || generateMaskSet(this.opts, this.noMasksCache);
                return maskScope.call(this, {
                    "action": "getmetadata"
                });
            },
            isValid: function (value) {
                this.maskset = this.maskset || generateMaskSet(this.opts, this.noMasksCache);
                return maskScope.call(this, {
                    "action": "isValid",
                    "value": value
                });
            },
            format: function (value, metadata) {
                this.maskset = this.maskset || generateMaskSet(this.opts, this.noMasksCache);
                return maskScope.call(this, {
                    "action": "format",
                    "value": value,
                    "metadata": metadata //true/false getmetadata
                });
            },
            analyseMask: function (mask, regexMask, opts) {
                var tokenizer = /(?:[?*+]|\{[0-9\+\*]+(?:,[0-9\+\*]*)?\})|[^.?*+^${[]()|\\]+|./g,
                    //Thx to https://github.com/slevithan/regex-colorizer for the regexTokenizer regex
                    regexTokenizer = /\[\^?]?(?:[^\\\]]+|\\[\S\s]?)*]?|\\(?:0(?:[0-3][0-7]{0,2}|[4-7][0-7]?)?|[1-9][0-9]*|x[0-9A-Fa-f]{2}|u[0-9A-Fa-f]{4}|c[A-Za-z]|[\S\s]?)|\((?:\?[:=!]?)?|(?:[?*+]|\{[0-9]+(?:,[0-9]*)?\})\??|[^.?*+^${[()|\\]+|./g,
                    escaped = false,
                    currentToken = new MaskToken(),
                    match,
                    m,
                    openenings = [],
                    maskTokens = [],
                    openingToken,
                    currentOpeningToken,
                    alternator,
                    lastMatch,
                    groupToken;

                function MaskToken(isGroup, isOptional, isQuantifier, isAlternator) {
                    this.matches = [];
                    this.openGroup = isGroup || false;
                    this.alternatorGroup = false;
                    this.isGroup = isGroup || false;
                    this.isOptional = isOptional || false;
                    this.isQuantifier = isQuantifier || false;
                    this.isAlternator = isAlternator || false;
                    this.quantifier = {
                        min: 1,
                        max: 1
                    };
                }

                //test definition => {fn: RegExp/function, cardinality: int, optionality: bool, newBlockMarker: bool, casing: null/upper/lower, def: definitionSymbol, placeholder: placeholder, mask: real maskDefinition}
                function insertTestDefinition(mtoken, element, position) {
                    position = position !== undefined ? position : mtoken.matches.length;
                    var prevMatch = mtoken.matches[position - 1];
                    if (regexMask) {
                        if (element.indexOf("[") === 0 || escaped) {
                            mtoken.matches.splice(position++, 0, {
                                fn: new RegExp(element, opts.casing ? "i" : ""),
                                cardinality: 1,
                                optionality: mtoken.isOptional,
                                newBlockMarker: prevMatch === undefined || prevMatch.def !== element,
                                casing: null,
                                def: element,
                                placeholder: undefined,
                                nativeDef: element
                            });
                        } else {
                            $.each(element.split(""), function (ndx, lmnt) {
                                prevMatch = mtoken.matches[position - 1];
                                mtoken.matches.splice(position++, 0, {
                                    fn: null,
                                    cardinality: 0,
                                    optionality: mtoken.isOptional,
                                    newBlockMarker: prevMatch === undefined || (prevMatch.def !== lmnt && prevMatch.fn !== null),
                                    casing: null,
                                    def: opts.staticDefinitionSymbol || lmnt,
                                    placeholder: opts.staticDefinitionSymbol !== undefined ? lmnt : undefined,
                                    nativeDef: lmnt
                                });
                            });
                        }
                        escaped = false;
                    } else {
                        var maskdef = (opts.definitions ? opts.definitions[element] : undefined) || Inputmask.prototype.definitions[element];
                        if (maskdef && !escaped) {
                            var prevalidators = maskdef.prevalidator,
                                prevalidatorsL = prevalidators ? prevalidators.length : 0;
                            //handle prevalidators
                            for (var i = 1; i < maskdef.cardinality; i++) {
                                var prevalidator = prevalidatorsL >= i ? prevalidators[i - 1] : [],
                                    validator = prevalidator.validator,
                                    cardinality = prevalidator.cardinality;
                                mtoken.matches.splice(position++, 0, {
                                    fn: validator ? typeof validator === "string" ? new RegExp(validator, opts.casing ? "i" : "") : new function () {
                                        this.test = validator;
                                    } : new RegExp("."),
                                    cardinality: cardinality ? cardinality : 1,
                                    optionality: mtoken.isOptional,
                                    newBlockMarker: prevMatch === undefined || prevMatch.def !== (maskdef.definitionSymbol || element),
                                    casing: maskdef.casing,
                                    def: maskdef.definitionSymbol || element,
                                    placeholder: maskdef.placeholder,
                                    nativeDef: element
                                });
                                prevMatch = mtoken.matches[position - 1];
                            }
                            mtoken.matches.splice(position++, 0, {
                                fn: maskdef.validator ? typeof maskdef.validator == "string" ? new RegExp(maskdef.validator, opts.casing ? "i" : "") : new function () {
                                    this.test = maskdef.validator;
                                } : new RegExp("."),
                                cardinality: maskdef.cardinality,
                                optionality: mtoken.isOptional,
                                newBlockMarker: prevMatch === undefined || prevMatch.def !== (maskdef.definitionSymbol || element),
                                casing: maskdef.casing,
                                def: maskdef.definitionSymbol || element,
                                placeholder: maskdef.placeholder,
                                nativeDef: element
                            });
                        } else {
                            mtoken.matches.splice(position++, 0, {
                                fn: null,
                                cardinality: 0,
                                optionality: mtoken.isOptional,
                                newBlockMarker: prevMatch === undefined || (prevMatch.def !== element && prevMatch.fn !== null),
                                casing: null,
                                def: opts.staticDefinitionSymbol || element,
                                placeholder: opts.staticDefinitionSymbol !== undefined ? element : undefined,
                                nativeDef: element
                            });
                            escaped = false;
                        }
                    }
                }

                function verifyGroupMarker(maskToken) {
                    if (maskToken && maskToken.matches) {
                        $.each(maskToken.matches, function (ndx, token) {
                                var nextToken = maskToken.matches[ndx + 1];
                                if ((nextToken === undefined || (nextToken.matches === undefined || nextToken.isQuantifier === false)) && token && token.isGroup) { //this is not a group but a normal mask => convert
                                    token.isGroup = false;
                                    if (!regexMask) {
                                        insertTestDefinition(token, opts.groupmarker.start, 0);
                                        if (token.openGroup !== true) {
                                            insertTestDefinition(token, opts.groupmarker.end);
                                        }
                                    }
                                }
                                verifyGroupMarker(token);
                            }
                        );
                    }
                }

                function defaultCase() {
                    if (openenings.length > 0) {
                        currentOpeningToken = openenings[openenings.length - 1];
                        insertTestDefinition(currentOpeningToken, m);
                        if (currentOpeningToken.isAlternator) { //handle alternator a | b case
                            alternator = openenings.pop();
                            for (var mndx = 0; mndx < alternator.matches.length; mndx++) {
                                alternator.matches[mndx].isGroup = false; //don't mark alternate groups as group
                            }
                            if (openenings.length > 0) {
                                currentOpeningToken = openenings[openenings.length - 1];
                                currentOpeningToken.matches.push(alternator);
                            } else {
                                currentToken.matches.push(alternator);
                            }
                        }
                    } else {
                        insertTestDefinition(currentToken, m);
                    }
                }

                function reverseTokens(maskToken) {
                    function reverseStatic(st) {
                        if (st === opts.optionalmarker.start) st = opts.optionalmarker.end;
                        else if (st === opts.optionalmarker.end) st = opts.optionalmarker.start;
                        else if (st === opts.groupmarker.start) st = opts.groupmarker.end;
                        else if (st === opts.groupmarker.end) st = opts.groupmarker.start;

                        return st;
                    }

                    maskToken.matches = maskToken.matches.reverse();
                    for (var match in maskToken.matches) {
                        if (maskToken.matches.hasOwnProperty(match)) {
                            var intMatch = parseInt(match);
                            if (maskToken.matches[match].isQuantifier && maskToken.matches[intMatch + 1] && maskToken.matches[intMatch + 1].isGroup) { //reposition quantifier
                                var qt = maskToken.matches[match];
                                maskToken.matches.splice(match, 1);
                                maskToken.matches.splice(intMatch + 1, 0, qt);
                            }
                            if (maskToken.matches[match].matches !== undefined) {
                                maskToken.matches[match] = reverseTokens(maskToken.matches[match]);
                            } else {
                                maskToken.matches[match] = reverseStatic(maskToken.matches[match]);
                            }
                        }
                    }

                    return maskToken;
                }


                if (regexMask) {
                    opts.optionalmarker.start = undefined;
                    opts.optionalmarker.end = undefined;
                }
                while (match = regexMask ? regexTokenizer.exec(mask) : tokenizer.exec(mask)) {
                    m = match[0];

                    if (regexMask && escaped !== true) {
                        switch (m.charAt(0)) {
                            //Quantifier
                            case "?":
                                m = "{0,1}";
                                break;
                            case "+":
                            case "*":
                                m = "{" + m + "}";
                                break;
                        }
                    }

                    if (escaped) {
                        defaultCase();
                        continue;
                    }
                    switch (m.charAt(0)) {
                        case opts.escapeChar:
                            escaped = true;
                            if (regexMask) defaultCase();
                            break;
                        case opts.optionalmarker.end:
                        // optional closing
                        case opts.groupmarker.end:
                            // Group closing
                            openingToken = openenings.pop();
                            openingToken.openGroup = false; //mark group as complete
                            if (openingToken !== undefined) {
                                if (openenings.length > 0) {
                                    currentOpeningToken = openenings[openenings.length - 1];
                                    currentOpeningToken.matches.push(openingToken);
                                    if (currentOpeningToken.isAlternator) { //handle alternator (a) | (b) case
                                        alternator = openenings.pop();
                                        for (var mndx = 0; mndx < alternator.matches.length; mndx++) {
                                            alternator.matches[mndx].isGroup = false; //don't mark alternate groups as group
                                            alternator.matches[mndx].alternatorGroup = false;
                                        }
                                        if (openenings.length > 0) {
                                            currentOpeningToken = openenings[openenings.length - 1];
                                            currentOpeningToken.matches.push(alternator);
                                        } else {
                                            currentToken.matches.push(alternator);
                                        }
                                    }
                                } else {
                                    currentToken.matches.push(openingToken);
                                }
                            } else defaultCase();
                            break;
                        case opts.optionalmarker.start:
                            // optional opening
                            openenings.push(new MaskToken(false, true));
                            break;
                        case opts.groupmarker.start:
                            // Group opening
                            openenings.push(new MaskToken(true));
                            break;
                        case opts.quantifiermarker.start:
                            //Quantifier
                            var quantifier = new MaskToken(false, false, true);

                            m = m.replace(/[{}]/g, "");
                            var mq = m.split(","),
                                mq0 = isNaN(mq[0]) ? mq[0] : parseInt(mq[0]),
                                mq1 = mq.length === 1 ? mq0 : (isNaN(mq[1]) ? mq[1] : parseInt(mq[1]));
                            if (mq1 === "*" || mq1 === "+") {
                                mq0 = mq1 === "*" ? 0 : 1;
                            }
                            quantifier.quantifier = {
                                min: mq0,
                                max: mq1
                            };
                            if (openenings.length > 0) {
                                var matches = openenings[openenings.length - 1].matches;
                                match = matches.pop();
                                if (!match.isGroup) {
                                    groupToken = new MaskToken(true);
                                    groupToken.matches.push(match);
                                    match = groupToken;
                                }
                                matches.push(match);
                                matches.push(quantifier);
                            } else {
                                match = currentToken.matches.pop();
                                if (!match.isGroup) {
                                    if (regexMask && match.fn === null) {
                                        if (match.def === ".") match.fn = new RegExp(match.def, opts.casing ? "i" : "");
                                    }

                                    groupToken = new MaskToken(true);
                                    groupToken.matches.push(match);
                                    match = groupToken;
                                }
                                currentToken.matches.push(match);
                                currentToken.matches.push(quantifier);
                            }
                            break;
                        case opts.alternatormarker:
                            if (openenings.length > 0) {
                                currentOpeningToken = openenings[openenings.length - 1];
                                var subToken = currentOpeningToken.matches[currentOpeningToken.matches.length - 1];
                                if (currentOpeningToken.openGroup && //regexp alt syntax
                                    (subToken.matches === undefined || (subToken.isGroup === false && subToken.isAlternator === false))) { //alternations within group
                                    lastMatch = openenings.pop();
                                } else {
                                    lastMatch = currentOpeningToken.matches.pop();
                                }
                            } else {
                                lastMatch = currentToken.matches.pop();
                            }
                            if (lastMatch.isAlternator) {
                                openenings.push(lastMatch);
                            } else {
                                if (lastMatch.alternatorGroup) {
                                    alternator = openenings.pop();
                                    lastMatch.alternatorGroup = false;
                                } else {
                                    alternator = new MaskToken(false, false, false, true);
                                }
                                alternator.matches.push(lastMatch);
                                openenings.push(alternator);
                                if (lastMatch.openGroup) { //regexp alt syntax
                                    lastMatch.openGroup = false;
                                    var alternatorGroup = new MaskToken(true);
                                    alternatorGroup.alternatorGroup = true;
                                    openenings.push(alternatorGroup);
                                }
                            }
                            break;
                        default:
                            defaultCase();
                    }
                }

                while (openenings.length > 0) {
                    openingToken = openenings.pop();
                    currentToken.matches.push(openingToken);
                }
                if (currentToken.matches.length > 0) {
                    verifyGroupMarker(currentToken);
                    maskTokens.push(currentToken);
                }

                if (opts.numericInput || opts.isRTL) {
                    reverseTokens(maskTokens[0]);
                }
                // console.log(JSON.stringify(maskTokens));
                return maskTokens;
            }
        };

        //apply defaults, definitions, aliases
        Inputmask.extendDefaults = function (options) {
            $.extend(true, Inputmask.prototype.defaults, options);
        };
        Inputmask.extendDefinitions = function (definition) {
            $.extend(true, Inputmask.prototype.definitions, definition);
        };
        Inputmask.extendAliases = function (alias) {
            $.extend(true, Inputmask.prototype.aliases, alias);
        };
        //static fn on inputmask
        Inputmask.format = function (value, options, metadata) {
            return Inputmask(options).format(value, metadata);
        };
        Inputmask.unmask = function (value, options) {
            return Inputmask(options).unmaskedvalue(value);
        };
        Inputmask.isValid = function (value, options) {
            return Inputmask(options).isValid(value);
        };
        Inputmask.remove = function (elems) {
            $.each(elems, function (ndx, el) {
                if (el.inputmask) el.inputmask.remove();
            });
        };
        Inputmask.escapeRegex = function (str) {
            var specials = ["/", ".", "*", "+", "?", "|", "(", ")", "[", "]", "{", "}", "\\", "$", "^"];
            return str.replace(new RegExp("(\\" + specials.join("|\\") + ")", "gim"), "\\$1");
        };
        Inputmask.keyCode = {
            ALT: 18,
            BACKSPACE: 8,
            BACKSPACE_SAFARI: 127,
            CAPS_LOCK: 20,
            COMMA: 188,
            COMMAND: 91,
            COMMAND_LEFT: 91,
            COMMAND_RIGHT: 93,
            CONTROL: 17,
            DELETE: 46,
            DOWN: 40,
            END: 35,
            ENTER: 13,
            ESCAPE: 27,
            HOME: 36,
            INSERT: 45,
            LEFT: 37,
            MENU: 93,
            NUMPAD_ADD: 107,
            NUMPAD_DECIMAL: 110,
            NUMPAD_DIVIDE: 111,
            NUMPAD_ENTER: 108,
            NUMPAD_MULTIPLY: 106,
            NUMPAD_SUBTRACT: 109,
            PAGE_DOWN: 34,
            PAGE_UP: 33,
            PERIOD: 190,
            RIGHT: 39,
            SHIFT: 16,
            SPACE: 32,
            TAB: 9,
            UP: 38,
            WINDOWS: 91,
            X: 88
        };

        function resolveAlias(aliasStr, options, opts) {
            var aliasDefinition = Inputmask.prototype.aliases[aliasStr];
            if (aliasDefinition) {
                if (aliasDefinition.alias) resolveAlias(aliasDefinition.alias, undefined, opts); //alias is another alias
                $.extend(true, opts, aliasDefinition); //merge alias definition in the options
                $.extend(true, opts, options); //reapply extra given options
                return true;
            } else //alias not found - try as mask
            if (opts.mask === null) {
                opts.mask = aliasStr;
            }

            return false;
        }

        function generateMaskSet(opts, nocache) {
            function generateMask(mask, metadata, opts) {
                var regexMask = false;
                if (mask === null || mask === "") {
                    regexMask = opts.regex !== null;
                    if (regexMask) {
                        mask = opts.regex;
                        mask = mask.replace(/^(\^)(.*)(\$)$/, "$2");
                    } else {
                        regexMask = true;
                        mask = ".*";
                    }
                }
                if (mask.length === 1 && opts.greedy === false && opts.repeat !== 0) {
                    opts.placeholder = "";
                } //hide placeholder with single non-greedy mask
                if (opts.repeat > 0 || opts.repeat === "*" || opts.repeat === "+") {
                    var repeatStart = opts.repeat === "*" ? 0 : (opts.repeat === "+" ? 1 : opts.repeat);
                    mask = opts.groupmarker.start + mask + opts.groupmarker.end + opts.quantifiermarker.start + repeatStart + "," + opts.repeat + opts.quantifiermarker.end;
                }

                // console.log(mask);
                var masksetDefinition,
                    maskdefKey = regexMask ? "regex_" + opts.regex : (opts.numericInput ? mask.split("").reverse().join("") : mask);
                if (Inputmask.prototype.masksCache[maskdefKey] === undefined || nocache === true) {
                    masksetDefinition = {
                        "mask": mask,
                        "maskToken": Inputmask.prototype.analyseMask(mask, regexMask, opts),
                        "validPositions": {},
                        "_buffer": undefined,
                        "buffer": undefined,
                        "tests": {},
                        "metadata": metadata,
                        maskLength: undefined
                    };
                    if (nocache !== true) {
                        Inputmask.prototype.masksCache[maskdefKey] = masksetDefinition;
                        masksetDefinition = $.extend(true, {}, Inputmask.prototype.masksCache[maskdefKey]);
                    }
                } else masksetDefinition = $.extend(true, {}, Inputmask.prototype.masksCache[maskdefKey]);

                return masksetDefinition;
            }

            var ms;

            if ($.isFunction(opts.mask)) { //allow mask to be a preprocessing fn - should return a valid mask
                opts.mask = opts.mask(opts);
            }
            if ($.isArray(opts.mask)) {
                if (opts.mask.length > 1) {
                    opts.keepStatic = opts.keepStatic === null ? true : opts.keepStatic; //enable by default when passing multiple masks when the option is not explicitly specified
                    var altMask = opts.groupmarker.start;
                    $.each(opts.numericInput ? opts.mask.reverse() : opts.mask, function (ndx, msk) {
                        if (altMask.length > 1) {
                            altMask += opts.groupmarker.end + opts.alternatormarker + opts.groupmarker.start;
                        }
                        if (msk.mask !== undefined && !$.isFunction(msk.mask)) {
                            altMask += msk.mask;
                        } else {
                            altMask += msk;
                        }
                    });
                    altMask += opts.groupmarker.end;
                    // console.log(altMask);
                    return generateMask(altMask, opts.mask, opts);
                } else opts.mask = opts.mask.pop();
            }

            if (opts.mask && opts.mask.mask !== undefined && !$.isFunction(opts.mask.mask)) {
                ms = generateMask(opts.mask.mask, opts.mask, opts);
            } else {
                ms = generateMask(opts.mask, opts.mask, opts);
            }

            return ms;
        };


        //masking scope
        //actionObj definition see below
        function maskScope(actionObj, maskset, opts) {
            maskset = maskset || this.maskset;
            opts = opts || this.opts;
            var el = this.el,
                isRTL = this.isRTL,
                undoValue,
                $el,
                skipKeyPressEvent = false, //Safari 5.1.x - modal dialog fires keypress twice workaround
                skipInputEvent = false, //skip when triggered from within inputmask
                ignorable = false,
                maxLength,
                mouseEnter = false,
                colorMask;

            //maskset helperfunctions
            function getMaskTemplate(baseOnInput, minimalPos, includeMode) {
                //includeMode true => input, undefined => placeholder, false => mask
                minimalPos = minimalPos || 0;
                var maskTemplate = [],
                    ndxIntlzr, pos = 0,
                    test, testPos, lvp = getLastValidPosition();
                maxLength = el !== undefined ? el.maxLength : undefined;
                if (maxLength === -1) maxLength = undefined;
                do {
                    if (baseOnInput === true && getMaskSet().validPositions[pos]) {
                        testPos = getMaskSet().validPositions[pos];
                        test = testPos.match;
                        ndxIntlzr = testPos.locator.slice();
                        maskTemplate.push(includeMode === true ? testPos.input : includeMode === false ? test.nativeDef : getPlaceholder(pos, test));
                    } else {
                        testPos = getTestTemplate(pos, ndxIntlzr, pos - 1);
                        test = testPos.match;
                        ndxIntlzr = testPos.locator.slice();
                        if (opts.jitMasking === false || pos < lvp || (typeof opts.jitMasking === "number" && isFinite(opts.jitMasking) && opts.jitMasking > pos)) {
                            maskTemplate.push(includeMode === false ? test.nativeDef : getPlaceholder(pos, test));
                        }
                    }
                    pos++;
                } while ((maxLength === undefined || pos < maxLength) && (test.fn !== null || test.def !== "") || minimalPos > pos);
                if (maskTemplate[maskTemplate.length - 1] === "") {
                    maskTemplate.pop(); //drop the last one which is empty
                }

                getMaskSet().maskLength = pos + 1;
                return maskTemplate;
            }

            function getMaskSet() {
                return maskset;
            }

            function resetMaskSet(soft) {
                var maskset = getMaskSet();
                maskset.buffer = undefined;
                if (soft !== true) {
                    // maskset._buffer = undefined;
                    maskset.validPositions = {};
                    maskset.p = 0;
                }
            }

            function getLastValidPosition(closestTo, strict, validPositions) {
                var before = -1,
                    after = -1,
                    valids = validPositions || getMaskSet().validPositions; //for use in valhook ~ context switch
                if (closestTo === undefined) closestTo = -1;
                for (var posNdx in valids) {
                    var psNdx = parseInt(posNdx);
                    if (valids[psNdx] && (strict || valids[psNdx].generatedInput !== true)) {
                        if (psNdx <= closestTo) before = psNdx;
                        if (psNdx >= closestTo) after = psNdx;
                    }
                }
                return (before !== -1 && (closestTo - before) > 1) || after < closestTo ? before : after;
            }

            function stripValidPositions(start, end, nocheck, strict) {
                function IsEnclosedStatic(pos) {
                    var posMatch = getMaskSet().validPositions[pos];
                    if (posMatch !== undefined && posMatch.match.fn === null) {
                        var prevMatch = getMaskSet().validPositions[pos - 1],
                            nextMatch = getMaskSet().validPositions[pos + 1];
                        return prevMatch !== undefined && nextMatch !== undefined;
                    }
                    return false;
                }

                var i, startPos = start,
                    positionsClone = $.extend(true, {}, getMaskSet().validPositions), needsValidation = false;
                getMaskSet().p = start; //needed for alternated position after overtype selection

                for (i = end - 1; i >= startPos; i--) { //clear selection
                    if (getMaskSet().validPositions[i] !== undefined) {
                        if (nocheck === true ||
                            ((getMaskSet().validPositions[i].match.optionality || !IsEnclosedStatic(i)) && opts.canClearPosition(getMaskSet(), i, getLastValidPosition(), strict, opts) !== false)) {
                            delete getMaskSet().validPositions[i];
                        }
                    }
                }

                //clear buffer
                resetMaskSet(true);
                for (i = startPos + 1; i <= getLastValidPosition();) {
                    while (getMaskSet().validPositions[startPos] !== undefined) startPos++;
                    if (i < startPos) i = startPos + 1;
                    if (getMaskSet().validPositions[i] !== undefined || !isMask(i)) {
                        var t = getTestTemplate(i);
                        if (needsValidation === false && positionsClone[startPos] && positionsClone[startPos].match.def === t.match.def) { //obvious match
                            getMaskSet().validPositions[startPos] = $.extend(true, {}, positionsClone[startPos]);
                            getMaskSet().validPositions[startPos].input = t.input;
                            delete getMaskSet().validPositions[i];
                            i++;
                        } else if (positionCanMatchDefinition(startPos, t.match.def)) {
                            if (isValid(startPos, t.input || getPlaceholder(i), true) !== false) {
                                delete getMaskSet().validPositions[i];
                                i++;
                                needsValidation = true;
                            }
                        } else if (!isMask(i)) {
                            i++;
                            startPos--;
                        }
                        startPos++;
                    } else i++;
                }

                resetMaskSet(true);
            }

            function determineTestTemplate(tests, guessNextBest) {
                var testPos,
                    testPositions = tests,
                    lvp = getLastValidPosition(),
                    lvTest = getMaskSet().validPositions[lvp] || getTests(0)[0],
                    lvTestAltArr = (lvTest.alternation !== undefined) ? lvTest.locator[lvTest.alternation].toString().split(",") : [];
                for (var ndx = 0; ndx < testPositions.length; ndx++) {
                    testPos = testPositions[ndx];

                    if (testPos.match &&
                        (((opts.greedy && testPos.match.optionalQuantifier !== true) || (testPos.match.optionality === false || testPos.match.newBlockMarker === false) && testPos.match.optionalQuantifier !== true) &&
                        ((lvTest.alternation === undefined || lvTest.alternation !== testPos.alternation) ||
                        (testPos.locator[lvTest.alternation] !== undefined && checkAlternationMatch(testPos.locator[lvTest.alternation].toString().split(","), lvTestAltArr))))) {

                        if (guessNextBest !== true || (testPos.match.fn === null && !/[0-9a-bA-Z]/.test(testPos.match.def))) {
                            break;
                        }
                    }
                }

                return testPos;
            }

            function getTestTemplate(pos, ndxIntlzr, tstPs) {
                return getMaskSet().validPositions[pos] || determineTestTemplate(getTests(pos, ndxIntlzr ? ndxIntlzr.slice() : ndxIntlzr, tstPs));
            }

            function getTest(pos) {
                if (getMaskSet().validPositions[pos]) {
                    return getMaskSet().validPositions[pos];
                }
                return getTests(pos)[0];
            }

            function positionCanMatchDefinition(pos, def) {
                var valid = false,
                    tests = getTests(pos);
                for (var tndx = 0; tndx < tests.length; tndx++) {
                    if (tests[tndx].match && tests[tndx].match.def === def) {
                        valid = true;
                        break;
                    }
                }
                return valid;
            }


            function getTests(pos, ndxIntlzr, tstPs) {
                var maskTokens = getMaskSet().maskToken,
                    testPos = ndxIntlzr ? tstPs : 0,
                    ndxInitializer = ndxIntlzr ? ndxIntlzr.slice() : [0],
                    matches = [],
                    insertStop = false,
                    latestMatch,
                    cacheDependency = ndxIntlzr ? ndxIntlzr.join("") : "";

                function resolveTestFromToken(maskToken, ndxInitializer, loopNdx, quantifierRecurse) { //ndxInitializer contains a set of indexes to speedup searches in the mtokens
                    function handleMatch(match, loopNdx, quantifierRecurse) {
                        function isFirstMatch(latestMatch, tokenGroup) {
                            var firstMatch = $.inArray(latestMatch, tokenGroup.matches) === 0;
                            if (!firstMatch) {
                                $.each(tokenGroup.matches, function (ndx, match) {
                                    if (match.isQuantifier === true) {
                                        firstMatch = isFirstMatch(latestMatch, tokenGroup.matches[ndx - 1]);
                                        if (firstMatch) return false;
                                    }
                                });
                            }
                            return firstMatch;
                        }

                        function resolveNdxInitializer(pos, alternateNdx, targetAlternation) {
                            var bestMatch, indexPos;

                            if (getMaskSet().validPositions[pos - 1] && targetAlternation && getMaskSet().tests[pos]) { //detect altarnation offset
                                var vpAlternation = getMaskSet().validPositions[pos - 1].locator;
                                var tpAlternation = getMaskSet().tests[pos][0].locator;
                                for (var i = 0; i < targetAlternation; i++) {
                                    if (vpAlternation[i] !== tpAlternation[i]) {
                                        return vpAlternation.slice(targetAlternation + 1);
                                    }
                                }
                            }

                            if (getMaskSet().tests[pos] || getMaskSet().validPositions[pos]) {
                                $.each(getMaskSet().tests[pos] || [getMaskSet().validPositions[pos]], function (ndx, lmnt) {
                                    var alternation = targetAlternation !== undefined ? targetAlternation : lmnt.alternation,
                                        ndxPos = lmnt.locator[alternation] !== undefined ? lmnt.locator[alternation].toString().indexOf(alternateNdx) : -1;
                                    if ((indexPos === undefined || ndxPos < indexPos) && ndxPos !== -1) {
                                        bestMatch = lmnt;
                                        indexPos = ndxPos;
                                    }
                                });
                            }
                            return bestMatch ?
                                bestMatch.locator.slice((targetAlternation !== undefined ? targetAlternation : bestMatch.alternation) + 1) :
                                targetAlternation !== undefined ? resolveNdxInitializer(pos, alternateNdx) : undefined;
                        }

                        function definitionCanMatchDefinition(source, target) {
                            return source.match.nativeDef === target.match.nativeDef || source.match.def === target.match.nativeDef || source.match.nativeDef === target.match.def;
                        }

                        function isSubsetOf(source, target) {
                            if (source.match.fn !== null && target.match.fn !== null) {//is regex a subset
                                //do we need a dfa for this?
                                //currently only a simplistic approach
                                return target.match.fn.test(source.match.def.replace(/[\[\]]/g, ""), getMaskSet(), pos, false, opts, false);
                            }
                            return false;
                        }

                        function staticCanMatchDefinition(source, target) {
                            return source.match.fn === null && target.match.fn !== null ? target.match.fn.test(source.match.def, getMaskSet(), pos, false, opts, false) : false;
                        }

                        if (testPos > 10000) {
                            throw "Inputmask: There is probably an error in your mask definition or in the code. Create an issue on github with an example of the mask you are using. " + getMaskSet().mask;
                        }
                        if (testPos === pos && match.matches === undefined) {
                            matches.push({
                                "match": match,
                                "locator": loopNdx.reverse(),
                                "cd": cacheDependency
                            });
                            return true;
                        } else if (match.matches !== undefined) {
                            if (match.isGroup && quantifierRecurse !== match) { //when a group pass along to the quantifier
                                match = handleMatch(maskToken.matches[$.inArray(match, maskToken.matches) + 1], loopNdx);
                                if (match) return true;
                            } else if (match.isOptional) {
                                var optionalToken = match;
                                match = resolveTestFromToken(match, ndxInitializer, loopNdx, quantifierRecurse);
                                if (match) {
                                    latestMatch = matches[matches.length - 1].match;
                                    if (isFirstMatch(latestMatch, optionalToken)) {
                                        insertStop = true; //insert a stop
                                        testPos = pos; //match the position after the group
                                    } else return true;
                                }
                            } else if (match.isAlternator) {
                                var alternateToken = match,
                                    malternateMatches = [],
                                    maltMatches,
                                    currentMatches = matches.slice(),
                                    loopNdxCnt = loopNdx.length;
                                var altIndex = ndxInitializer.length > 0 ? ndxInitializer.shift() : -1;
                                if (altIndex === -1 || typeof altIndex === "string") {
                                    var currentPos = testPos,
                                        ndxInitializerClone = ndxInitializer.slice(),
                                        altIndexArr = [],
                                        amndx;
                                    if (typeof altIndex == "string") {
                                        altIndexArr = altIndex.split(",");
                                    } else {
                                        for (amndx = 0; amndx < alternateToken.matches.length; amndx++) {
                                            altIndexArr.push(amndx);
                                        }
                                    }
                                    for (var ndx = 0; ndx < altIndexArr.length; ndx++) {
                                        amndx = parseInt(altIndexArr[ndx]);
                                        matches = [];
                                        //set the correct ndxInitializer
                                        ndxInitializer = resolveNdxInitializer(testPos, amndx, loopNdxCnt) || ndxInitializerClone.slice();
                                        match = handleMatch(alternateToken.matches[amndx] || maskToken.matches[amndx], [amndx].concat(loopNdx), quantifierRecurse) || match;
                                        if (match !== true && match !== undefined && (altIndexArr[altIndexArr.length - 1] < alternateToken.matches.length)) { //no match in the alternations (length mismatch) => look further
                                            var ntndx = $.inArray(match, maskToken.matches) + 1;
                                            if (maskToken.matches.length > ntndx) {
                                                match = handleMatch(maskToken.matches[ntndx], [ntndx].concat(loopNdx.slice(1, loopNdx.length)), quantifierRecurse);
                                                if (match) {
                                                    altIndexArr.push(ntndx.toString());
                                                    $.each(matches, function (ndx, lmnt) {
                                                        lmnt.alternation = loopNdx.length - 1;
                                                    });
                                                }
                                            }
                                        }
                                        maltMatches = matches.slice();
                                        testPos = currentPos;
                                        matches = [];

                                        //fuzzy merge matches
                                        for (var ndx1 = 0; ndx1 < maltMatches.length; ndx1++) {
                                            var altMatch = maltMatches[ndx1], dropMatch = false;
                                            altMatch.alternation = altMatch.alternation || loopNdxCnt;
                                            for (var ndx2 = 0; ndx2 < malternateMatches.length; ndx2++) {
                                                var altMatch2 = malternateMatches[ndx2];
                                                //verify equality
                                                if (typeof altIndex !== "string" || $.inArray(altMatch.locator[altMatch.alternation].toString(), altIndexArr) !== -1) {
                                                    if (definitionCanMatchDefinition(altMatch, altMatch2)) {
                                                        dropMatch = true;
                                                        if (altMatch.alternation === altMatch2.alternation &&
                                                            altMatch2.locator[altMatch2.alternation].toString().indexOf(altMatch.locator[altMatch.alternation]) === -1) {
                                                            altMatch2.locator[altMatch2.alternation] = altMatch2.locator[altMatch2.alternation] + "," + altMatch.locator[altMatch.alternation];
                                                            altMatch2.alternation = altMatch.alternation; //we pass the alternation index => used in determineLastRequiredPosition
                                                        }
                                                        if (altMatch.match.nativeDef === altMatch2.match.def) {
                                                            altMatch.locator[altMatch.alternation] = altMatch2.locator[altMatch2.alternation];
                                                            malternateMatches.splice(malternateMatches.indexOf(altMatch2), 1, altMatch);
                                                        }
                                                        break;
                                                    } else if (altMatch.match.def === altMatch2.match.def) {
                                                        dropMatch = false;
                                                        break;
                                                    } else if (staticCanMatchDefinition(altMatch, altMatch2) || isSubsetOf(altMatch, altMatch2)) {
                                                        // console.log("case 5");
                                                        if (altMatch.alternation == altMatch2.alternation &&
                                                            altMatch.locator[altMatch.alternation].toString().indexOf(altMatch2.locator[altMatch2.alternation].toString().split("")[0]) === -1) {

                                                            //no alternation marker
                                                            altMatch.na = altMatch.na || altMatch.locator[altMatch.alternation].toString();
                                                            if (altMatch.na.indexOf(altMatch.locator[altMatch.alternation].toString().split("")[0]) === -1) {
                                                                altMatch.na = altMatch.na + "," + altMatch.locator[altMatch2.alternation].toString().split("")[0];
                                                            }
                                                            //insert match above general match
                                                            dropMatch = true;
                                                            altMatch.locator[altMatch.alternation] = altMatch2.locator[altMatch2.alternation].toString().split("")[0] + "," + altMatch.locator[altMatch.alternation];
                                                            malternateMatches.splice(malternateMatches.indexOf(altMatch2), 0, altMatch);
                                                        }
                                                        break;
                                                    }
                                                }
                                            }
                                            if (!dropMatch) {
                                                malternateMatches.push(altMatch);
                                            }
                                        }
                                    }
                                    if (typeof altIndex == "string") { //filter matches
                                        malternateMatches = $.map(malternateMatches, function (lmnt, ndx) {
                                            if (isFinite(ndx)) {
                                                var mamatch,
                                                    alternation = lmnt.alternation,
                                                    altLocArr = lmnt.locator[alternation].toString().split(",");
                                                lmnt.locator[alternation] = undefined;
                                                lmnt.alternation = undefined;

                                                for (var alndx = 0; alndx < altLocArr.length; alndx++) {
                                                    mamatch = $.inArray(altLocArr[alndx], altIndexArr) !== -1;
                                                    if (mamatch) { //rebuild the locator with valid entries
                                                        if (lmnt.locator[alternation] !== undefined) {
                                                            lmnt.locator[alternation] += ",";
                                                            lmnt.locator[alternation] += altLocArr[alndx];
                                                        } else lmnt.locator[alternation] = parseInt(altLocArr[alndx]);

                                                        lmnt.alternation = alternation;
                                                    }
                                                }

                                                if (lmnt.locator[alternation] !== undefined) return lmnt;
                                            }
                                        });
                                    }

                                    matches = currentMatches.concat(malternateMatches);
                                    testPos = pos;
                                    insertStop = matches.length > 0; //insert a stopelemnt when there is an alternate - needed for non-greedy option
                                    match = malternateMatches.length > 0; //set correct match state

                                    //cloneback
                                    ndxInitializer = ndxInitializerClone.slice();
                                } else {
                                    // if (alternateToken.matches[altIndex]) { //if not in the initial alternation => look further
                                    match = handleMatch(alternateToken.matches[altIndex] || maskToken.matches[altIndex], [altIndex].concat(loopNdx), quantifierRecurse);
                                    // } else match = false;
                                }
                                if (match) return true;
                            } else if (match.isQuantifier && quantifierRecurse !== maskToken.matches[$.inArray(match, maskToken.matches) - 1]) {
                                var qt = match;
                                for (var qndx = (ndxInitializer.length > 0) ? ndxInitializer.shift() : 0; (qndx < (isNaN(qt.quantifier.max) ? qndx + 1 : qt.quantifier.max)) && testPos <= pos; qndx++) {
                                    var tokenGroup = maskToken.matches[$.inArray(qt, maskToken.matches) - 1];
                                    match = handleMatch(tokenGroup, [qndx].concat(loopNdx), tokenGroup); //set the tokenGroup as quantifierRecurse marker
                                    if (match) {
                                        //get latest match
                                        latestMatch = matches[matches.length - 1].match;
                                        latestMatch.optionalQuantifier = qndx > (qt.quantifier.min - 1);
                                        if (isFirstMatch(latestMatch, tokenGroup)) { //search for next possible match
                                            if (qndx > (qt.quantifier.min - 1)) {
                                                insertStop = true;
                                                testPos = pos; //match the position after the group
                                                break; //stop quantifierloop
                                            } else return true;
                                        } else {
                                            return true;
                                        }
                                    }
                                }
                            } else {
                                match = resolveTestFromToken(match, ndxInitializer, loopNdx, quantifierRecurse);
                                if (match) return true;
                            }
                        }

                        else {
                            testPos++;
                        }
                    }

                    for (var tndx = (ndxInitializer.length > 0 ? ndxInitializer.shift() : 0); tndx < maskToken.matches.length; tndx++) {
                        if (maskToken.matches[tndx].isQuantifier !== true) {
                            var match = handleMatch(maskToken.matches[tndx], [tndx].concat(loopNdx), quantifierRecurse);
                            if (match && testPos === pos) {
                                return match;
                            } else if (testPos > pos) {
                                break;
                            }
                        }
                    }
                }

                function mergeLocators(tests) {
                    var locator = [];
                    if (!$.isArray(tests)) tests = [tests];
                    if (tests.length > 0) {
                        if (tests[0].alternation === undefined) {
                            locator = determineTestTemplate(tests.slice()).locator.slice();
                            if (locator.length === 0) locator = tests[0].locator.slice();
                        }
                        else {
                            $.each(tests, function (ndx, tst) {
                                if (tst.def !== "") {
                                    if (locator.length === 0) locator = tst.locator.slice();
                                    else {
                                        for (var i = 0; i < locator.length; i++) {
                                            if (tst.locator[i] && locator[i].toString().indexOf(tst.locator[i]) === -1) {
                                                locator[i] += "," + tst.locator[i];
                                            }
                                        }
                                    }
                                }
                            });
                        }
                    }
                    return locator;
                }

                function filterTests(tests) {
                    if (opts.keepStatic && pos > 0) {
                        if (tests.length > 1 + (tests[tests.length - 1].match.def === "" ? 1 : 0)) {
                            if (tests[0].match.optionality !== true &&
                                tests[0].match.optionalQuantifier !== true &&
                                tests[0].match.fn === null && !/[0-9a-bA-Z]/.test(tests[0].match.def)) {
                                if (getMaskSet().validPositions[pos - 1] === undefined) {
                                    return [determineTestTemplate(tests)];
                                }
                                else if (getMaskSet().validPositions[pos - 1].alternation === tests[0].alternation) {
                                    return [determineTestTemplate(tests)];
                                } else if (getMaskSet().validPositions[pos - 1]) {
                                    return [determineTestTemplate(tests)];
                                }
                            }
                        }
                    }

                    return tests;
                }

                if (pos > -1) {
                    if (ndxIntlzr === undefined) { //determine index initializer
                        var previousPos = pos - 1,
                            test;
                        while ((test = getMaskSet().validPositions[previousPos] || getMaskSet().tests[previousPos]) === undefined && previousPos > -1) {
                            previousPos--;
                        }
                        if (test !== undefined && previousPos > -1) {
                            ndxInitializer = mergeLocators(test);
                            cacheDependency = ndxInitializer.join("");
                            testPos = previousPos;
                        }
                    }
                    if (getMaskSet().tests[pos] && getMaskSet().tests[pos][0].cd === cacheDependency) { //cacheDependency is set on all tests, just check on the first
                        //console.log("cache hit " + pos + " - " + ndxIntlzr);
                        return filterTests(getMaskSet().tests[pos]);
                    }
                    for (var mtndx = ndxInitializer.shift(); mtndx < maskTokens.length; mtndx++) {
                        var match = resolveTestFromToken(maskTokens[mtndx], ndxInitializer, [mtndx]);
                        if ((match && testPos === pos) || testPos > pos) {
                            break;
                        }
                    }
                }
                if (matches.length === 0 || insertStop) {
                    matches.push({
                        match: {
                            fn: null,
                            cardinality: 0,
                            optionality: true,
                            casing: null,
                            def: "",
                            placeholder: ""
                        },
                        locator: [],
                        cd: cacheDependency
                    });
                }

                if (ndxIntlzr !== undefined && getMaskSet().tests[pos]) { //prioritize full tests for caching
                    return filterTests($.extend(true, [], matches));
                }
                getMaskSet().tests[pos] = $.extend(true, [], matches); //set a clone to prevent overwriting some props
                // console.log(pos + " - " + JSON.stringify(matches));
                return filterTests(getMaskSet().tests[pos]);
            }

            function getBufferTemplate() {
                if (getMaskSet()._buffer === undefined) {
                    //generate template
                    getMaskSet()._buffer = getMaskTemplate(false, 1);
                    if (getMaskSet().buffer === undefined) {
                        getMaskSet().buffer = getMaskSet()._buffer.slice();
                    }
                }
                return getMaskSet()._buffer;
            }

            function getBuffer(noCache) {
                if (getMaskSet().buffer === undefined || noCache === true) {
                    getMaskSet().buffer = getMaskTemplate(true, getLastValidPosition(), true);
                }
                return getMaskSet().buffer;
            }

            function refreshFromBuffer(start, end, buffer) {
                var i, p;
                if (start === true) {
                    resetMaskSet();
                    start = 0;
                    end = buffer.length;
                } else {
                    for (i = start; i < end; i++) {
                        delete getMaskSet().validPositions[i];
                    }
                }
                p = start;
                for (i = start; i < end; i++) {
                    resetMaskSet(true); //prevents clobber from the buffer
                    if (buffer[i] !== opts.skipOptionalPartCharacter) {
                        var valResult = isValid(p, buffer[i], true, true);
                        if (valResult !== false) {
                            resetMaskSet(true);
                            p = valResult.caret !== undefined ? valResult.caret : valResult.pos + 1;
                        }
                    }
                }
            }

            function casing(elem, test, pos) {
                switch (opts.casing || test.casing) {
                    case "upper":
                        elem = elem.toUpperCase();
                        break;
                    case "lower":
                        elem = elem.toLowerCase();
                        break;
                    case "title":
                        var posBefore = getMaskSet().validPositions[pos - 1];
                        if (pos === 0 || posBefore && posBefore.input === String.fromCharCode(Inputmask.keyCode.SPACE)) {
                            elem = elem.toUpperCase();
                        } else {
                            elem = elem.toLowerCase();
                        }
                        break;
                    default:
                        if ($.isFunction(opts.casing)) {
                            var args = Array.prototype.slice.call(arguments);
                            args.push(getMaskSet().validPositions);
                            elem = opts.casing.apply(this, args);
                        }
                }

                return elem;
            }

            function checkAlternationMatch(altArr1, altArr2, na) {
                var altArrC = opts.greedy ? altArr2 : altArr2.slice(0, 1),
                    isMatch = false, naArr = na !== undefined ? na.split(",") : [],
                    naNdx;

                //remove no alternate indexes from alternation array
                for (var i = 0; i < naArr.length; i++) {
                    if ((naNdx = altArr1.indexOf(naArr[i])) !== -1) {
                        altArr1.splice(naNdx, 1);
                    }
                }

                for (var alndx = 0; alndx < altArr1.length; alndx++) {
                    if ($.inArray(altArr1[alndx], altArrC) !== -1) {
                        isMatch = true;
                        break;
                    }
                }
                return isMatch;
            }

            function isValid(pos, c, strict, fromSetValid, fromAlternate) { //strict true ~ no correction or autofill
                function isSelection(posObj) {
                    var selection = isRTL ? (posObj.begin - posObj.end) > 1 || ((posObj.begin - posObj.end) === 1) :
                        (posObj.end - posObj.begin) > 1 || ((posObj.end - posObj.begin) === 1);

                    return selection && posObj.begin === 0 && posObj.end === getMaskSet().maskLength ? "full" : selection;
                }

                strict = strict === true; //always set a value to strict to prevent possible strange behavior in the extensions

                var maskPos = pos;
                if (pos.begin !== undefined) { //position was a position object - used to handle a delete by typing over a selection
                    maskPos = isRTL && !isSelection(pos) ? pos.end : pos.begin;
                }

                function _isValid(position, c, strict) {
                    var rslt = false;
                    $.each(getTests(position), function (ndx, tst) {
                            var test = tst.match,
                                loopend = c ? 1 : 0,
                                chrs = "";
                            for (var i = test.cardinality; i > loopend; i--) {
                                chrs += getBufferElement(position - (i - 1));
                            }
                            if (c) {
                                chrs += c;
                            }

                            //make sure the buffer is set and correct
                            getBuffer(true);
                            //return is false or a json object => { pos: ??, c: ??} or true
                            rslt = test.fn != null ?
                                test.fn.test(chrs, getMaskSet(), position, strict, opts, isSelection(pos)) : (c === test.def || c === opts.skipOptionalPartCharacter) && test.def !== "" ? //non mask
                                    {
                                        c: getPlaceholder(position, test, true) || test.def,
                                        pos: position
                                    } : false;

                            if (rslt !== false) {
                                var elem = rslt.c !== undefined ? rslt.c : c;
                                elem = (elem === opts.skipOptionalPartCharacter && test.fn === null) ?
                                    (getPlaceholder(position, test, true) || test.def) : elem;

                                var validatedPos = position,
                                    possibleModifiedBuffer = getBuffer();

                                if (rslt.remove !== undefined) { //remove position(s)
                                    if (!$.isArray(rslt.remove)) rslt.remove = [rslt.remove];
                                    $.each(rslt.remove.sort(function (a, b) {
                                        return b - a;
                                    }), function (ndx, lmnt) {
                                        stripValidPositions(lmnt, lmnt + 1, true);
                                    });
                                }
                                if (rslt.insert !== undefined) { //insert position(s)
                                    if (!$.isArray(rslt.insert)) rslt.insert = [rslt.insert];
                                    $.each(rslt.insert.sort(function (a, b) {
                                        return a - b;
                                    }), function (ndx, lmnt) {
                                        isValid(lmnt.pos, lmnt.c, true, fromSetValid);
                                    });
                                }

                                if (rslt.refreshFromBuffer) {
                                    var refresh = rslt.refreshFromBuffer;
                                    // strict = true;
                                    refreshFromBuffer(refresh === true ? refresh : refresh.start, refresh.end, possibleModifiedBuffer);
                                    if (rslt.pos === undefined && rslt.c === undefined) {
                                        rslt.pos = getLastValidPosition();
                                        return false; //breakout if refreshFromBuffer && nothing to insert
                                    }
                                    validatedPos = rslt.pos !== undefined ? rslt.pos : position;
                                    if (validatedPos !== position) {
                                        rslt = $.extend(rslt, isValid(validatedPos, elem, true, fromSetValid)); //revalidate new position strict
                                        return false;
                                    }

                                } else if (rslt !== true && rslt.pos !== undefined && rslt.pos !== position) { //their is a position offset
                                    validatedPos = rslt.pos;
                                    refreshFromBuffer(position, validatedPos, getBuffer().slice());
                                    if (validatedPos !== position) {
                                        rslt = $.extend(rslt, isValid(validatedPos, elem, true)); //revalidate new position strict
                                        return false;
                                    }
                                }

                                if (rslt !== true && rslt.pos === undefined && rslt.c === undefined) {
                                    return false; //breakout if nothing to insert
                                }

                                if (ndx > 0) {
                                    resetMaskSet(true);
                                }

                                if (!setValidPosition(validatedPos, $.extend({}, tst, {
                                        "input": casing(elem, test, validatedPos)
                                    }), fromSetValid, isSelection(pos))) {
                                    rslt = false;
                                }
                                return false; //break from $.each
                            }
                        }
                    );
                    return rslt;
                }

                function alternate(pos, c, strict) {
                    var validPsClone = $.extend(true, {}, getMaskSet().validPositions),
                        lastAlt,
                        alternation,
                        isValidRslt = false,
                        altPos, prevAltPos, i, validPos, lAltPos = getLastValidPosition(), altNdxs, decisionPos;
                    //find last modified alternation
                    prevAltPos = getMaskSet().validPositions[lAltPos];
                    for (; lAltPos >= 0; lAltPos--) {
                        altPos = getMaskSet().validPositions[lAltPos];
                        if (altPos && altPos.alternation !== undefined) {
                            lastAlt = lAltPos;
                            alternation = getMaskSet().validPositions[lastAlt].alternation;
                            if (prevAltPos.locator[altPos.alternation] !== altPos.locator[altPos.alternation]) {
                                break;
                            }
                            prevAltPos = altPos;
                        }
                    }
                    if (alternation !== undefined) {
                        decisionPos = parseInt(lastAlt);
                        var decisionTaker = prevAltPos.locator[prevAltPos.alternation || alternation] !== undefined ? prevAltPos.locator[prevAltPos.alternation || alternation] : altNdxs[0]; //no match in the alternations (length mismatch)
                        if (decisionTaker.length > 0) { //no decision taken ~ take first one as decider
                            decisionTaker = decisionTaker.split(",")[0];
                        }
                        var possibilityPos = getMaskSet().validPositions[decisionPos],
                            prevPos = getMaskSet().validPositions[decisionPos - 1];
                        $.each(getTests(decisionPos, prevPos ? prevPos.locator : undefined, decisionPos - 1), function (ndx, test) {
                            altNdxs = test.locator[alternation] ? test.locator[alternation].toString().split(",") : [];
                            for (var mndx = 0; mndx < altNdxs.length; mndx++) {
                                var validInputs = [],
                                    staticInputsBeforePos = 0,
                                    staticInputsBeforePosAlternate = 0,
                                    verifyValidInput = false;
                                if (decisionTaker < altNdxs[mndx] && (test.na === undefined || ($.inArray(altNdxs[mndx], test.na.split(",")) === -1 || $.inArray(decisionTaker.toString(), altNdxs) === -1))) {
                                    getMaskSet().validPositions[decisionPos] = $.extend(true, {}, test);
                                    var possibilities = getMaskSet().validPositions[decisionPos].locator;
                                    getMaskSet().validPositions[decisionPos].locator[alternation] = parseInt(altNdxs[mndx]); //set forced decision
                                    if (test.match.fn == null) {
                                        if (possibilityPos.input !== test.match.def) {
                                            verifyValidInput = true; //verify that the new definition matches the input
                                            if (possibilityPos.generatedInput !== true) {
                                                validInputs.push(possibilityPos.input);
                                            }
                                        }
                                        staticInputsBeforePosAlternate++;
                                        getMaskSet().validPositions[decisionPos].generatedInput = !/[0-9a-bA-Z]/.test(test.match.def);
                                        getMaskSet().validPositions[decisionPos].input = test.match.def;
                                    } else {
                                        getMaskSet().validPositions[decisionPos].input = possibilityPos.input;
                                    }
                                    for (i = decisionPos + 1; i < getLastValidPosition(undefined, true) + 1; i++) {
                                        validPos = getMaskSet().validPositions[i];
                                        if (validPos && validPos.generatedInput !== true && /[0-9a-bA-Z]/.test(validPos.input)) {
                                            validInputs.push(validPos.input);
                                        } else if (i < pos) staticInputsBeforePos++;
                                        delete getMaskSet().validPositions[i];
                                    }
                                    if (verifyValidInput && validInputs[0] === test.match.def) {
                                        validInputs.shift();
                                    }
                                    resetMaskSet(true); //clear getbuffer
                                    isValidRslt = true;
                                    while (validInputs.length > 0) {
                                        var input = validInputs.shift();
                                        if (input !== opts.skipOptionalPartCharacter) {
                                            if (!(isValidRslt = isValid(getLastValidPosition(undefined, true) + 1, input, false, fromSetValid, true))) {
                                                break;
                                            }
                                        }
                                    }

                                    if (isValidRslt) {
                                        getMaskSet().validPositions[decisionPos].locator = possibilities; //reset forceddecision ~ needed for proper delete
                                        var targetLvp = getLastValidPosition(pos) + 1;
                                        for (i = decisionPos + 1; i < getLastValidPosition() + 1; i++) {
                                            validPos = getMaskSet().validPositions[i];
                                            if ((validPos === undefined || validPos.match.fn == null) && i < (pos + (staticInputsBeforePosAlternate - staticInputsBeforePos))) {
                                                staticInputsBeforePosAlternate++;
                                            }
                                        }
                                        pos = pos + (staticInputsBeforePosAlternate - staticInputsBeforePos);
                                        isValidRslt = isValid(pos > targetLvp ? targetLvp : pos, c, strict, fromSetValid, true);
                                    }
                                    if (!isValidRslt) {
                                        resetMaskSet();
                                        getMaskSet().validPositions = $.extend(true, {}, validPsClone);
                                    } else return false; //exit $.each
                                }
                            }
                        });
                    }

                    return isValidRslt;
                }

                //set alternator choice on previous skipped placeholder positions
                function trackbackAlternations(originalPos, newPos) {
                    var vp = getMaskSet().validPositions[newPos];
                    if (vp) {
                        var targetLocator = vp.locator,
                            tll = targetLocator.length;

                        for (var ps = originalPos; ps < newPos; ps++) {
                            if (getMaskSet().validPositions[ps] === undefined && !isMask(ps, true)) {
                                var tests = getTests(ps).slice(),
                                    bestMatch = determineTestTemplate(tests, true),
                                    equality = -1;
                                if (tests[tests.length - 1].match.def === "") tests.pop();
                                $.each(tests, function (ndx, tst) { //find best matching
                                    for (var i = 0; i < tll; i++) {
                                        if (tst.locator[i] !== undefined && checkAlternationMatch(tst.locator[i].toString().split(","), targetLocator[i].toString().split(","), tst.na)) {
                                            if (equality < i) {
                                                equality = i;
                                                bestMatch = tst;
                                            }
                                        } else {
                                            //check if alternationIndex is closer then the current bestmatch
                                            var targetAI = targetLocator[i],
                                                bestMatchAI = bestMatch.locator[i],
                                                tstAI = tst.locator[i];
                                            if ((targetAI - bestMatchAI) > Math.abs(targetAI - tstAI)) {
                                                bestMatch = tst;
                                            }
                                            break;
                                        }
                                    }
                                });
                                bestMatch = $.extend({}, bestMatch, {
                                    "input": getPlaceholder(ps, bestMatch.match, true) || bestMatch.match.def
                                });
                                bestMatch.generatedInput = true;
                                setValidPosition(ps, bestMatch, true);
                                //revalidate the new position to update the locator value
                                getMaskSet().validPositions[newPos] = undefined;
                                _isValid(newPos, vp.input, true);
                            }
                        }
                    }
                }

                function setValidPosition(pos, validTest, fromSetValid, isSelection) {
                    if (isSelection || (opts.insertMode && getMaskSet().validPositions[pos] !== undefined && fromSetValid === undefined)) {
                        //reposition & revalidate others
                        var positionsClone = $.extend(true, {}, getMaskSet().validPositions),
                            lvp = getLastValidPosition(undefined, true),
                            i;
                        for (i = pos; i <= lvp; i++) { //clear selection
                            delete getMaskSet().validPositions[i];
                        }
                        getMaskSet().validPositions[pos] = $.extend(true, {}, validTest);
                        var valid = true,
                            j, vps = getMaskSet().validPositions, needsValidation = false,
                            initialLength = getMaskSet().maskLength;
                        for (i = (j = pos); i <= lvp; i++) {
                            var t = positionsClone[i];
                            if (t !== undefined /*&& (t.generatedInput !== true || t.match.fn === null)*/) {
                                var posMatch = j;
                                while (posMatch < getMaskSet().maskLength && ((t.match.fn === null && vps[i] && (vps[i].match.optionalQuantifier === true || vps[i].match.optionality === true)) || t.match.fn != null)) {
                                    posMatch++;
                                    if (needsValidation === false && positionsClone[posMatch] && positionsClone[posMatch].match.def === t.match.def) { //obvious match
                                        getMaskSet().validPositions[posMatch] = $.extend(true, {}, positionsClone[posMatch]);
                                        getMaskSet().validPositions[posMatch].input = t.input;
                                        fillMissingNonMask(posMatch);
                                        j = posMatch;
                                        valid = true;
                                    } else if (positionCanMatchDefinition(posMatch, t.match.def)) { //validated match
                                        var result = isValid(posMatch, t.input, true, true);
                                        valid = result !== false;
                                        j = (result.caret || result.insert) ? getLastValidPosition() : posMatch;
                                        needsValidation = true;
                                    } else {
                                        valid = t.generatedInput === true;
                                        if (!valid && posMatch >= getMaskSet().maskLength - 1) break;
                                    }
                                    if (getMaskSet().maskLength < initialLength) getMaskSet().maskLength = initialLength; //a bit hacky but the masklength is corrected later on
                                    if (valid) break;
                                }
                            }
                            if (!valid) break;
                        }

                        if (!valid) {
                            getMaskSet().validPositions = $.extend(true, {}, positionsClone);
                            resetMaskSet(true);
                            return false;
                        }
                    }

                    else {
                        getMaskSet().validPositions[pos] = $.extend(true, {}, validTest);
                    }


                    resetMaskSet(true);
                    return true;
                }

                function fillMissingNonMask(maskPos) {
                    //Check for a nonmask before the pos
                    //find previous valid
                    for (var pndx = maskPos - 1; pndx > -1; pndx--) {
                        if (getMaskSet().validPositions[pndx]) break;
                    }
                    ////fill missing nonmask and valid placeholders
                    var testTemplate, testsFromPos;
                    for (pndx++; pndx < maskPos; pndx++) {
                        if (getMaskSet().validPositions[pndx] === undefined && (opts.jitMasking === false || opts.jitMasking > pndx)) {
                            testsFromPos = getTests(pndx, getTestTemplate(pndx - 1).locator, pndx - 1).slice();
                            if (testsFromPos[testsFromPos.length - 1].match.def === "") testsFromPos.pop();
                            testTemplate = determineTestTemplate(testsFromPos);
                            if (testTemplate && (testTemplate.match.def === opts.radixPointDefinitionSymbol || !isMask(pndx, true) ||
                                ($.inArray(opts.radixPoint, getBuffer()) < pndx && testTemplate.match.fn && testTemplate.match.fn.test(getPlaceholder(pndx), getMaskSet(), pndx, false, opts)))) {
                                result = _isValid(pndx, getPlaceholder(pndx, testTemplate.match, true) || (testTemplate.match.fn == null ? testTemplate.match.def : (getPlaceholder(pndx) !== "" ? getPlaceholder(pndx) : getBuffer()[pndx])), true);
                                if (result !== false) {
                                    getMaskSet().validPositions[result.pos || pndx].generatedInput = true;
                                }
                            }
                        }
                    }
                }

                var result = true,
                    positionsClone = $.extend(true, {}, getMaskSet().validPositions); //clone the currentPositions

                if ($.isFunction(opts.preValidation) && !strict && fromSetValid !== true) {
                    result = opts.preValidation(getBuffer(), maskPos, c, isSelection(pos), opts);
                }
                if (result === true) {
                    fillMissingNonMask(maskPos);

                    if (isSelection(pos)) {
                        handleRemove(undefined, Inputmask.keyCode.DELETE, pos, true, true);
                        maskPos = getMaskSet().p;
                    }

                    if (maskPos < getMaskSet().maskLength && (maxLength === undefined || maskPos < maxLength)) {
                        result = _isValid(maskPos, c, strict);
                        if ((!strict || fromSetValid === true) && result === false) {
                            var currentPosValid = getMaskSet().validPositions[maskPos];
                            if (currentPosValid && currentPosValid.match.fn === null && (currentPosValid.match.def === c || c === opts.skipOptionalPartCharacter)) {
                                result = {
                                    "caret": seekNext(maskPos)
                                };
                            } else if ((opts.insertMode || getMaskSet().validPositions[seekNext(maskPos)] === undefined) && !isMask(maskPos, true)) { //does the input match on a further position?
                                for (var nPos = maskPos + 1, snPos = seekNext(maskPos); nPos <= snPos; nPos++) {
                                    // if (!isMask(nPos, true)) {
                                    // 	continue;
                                    // }
                                    result = _isValid(nPos, c, strict);
                                    if (result !== false) {
                                        trackbackAlternations(maskPos, result.pos !== undefined ? result.pos : nPos);
                                        maskPos = nPos;
                                        break;
                                    }
                                }
                            }
                        }
                    }
                    if (result === false && opts.keepStatic && !strict && fromAlternate !== true) { //try fuzzy alternator logic
                        result = alternate(maskPos, c, strict);
                    }
                    if (result === true) {
                        result = {
                            "pos": maskPos
                        };
                    }
                }
                if ($.isFunction(opts.postValidation) && result !== false && !strict && fromSetValid !== true) {
                    var postResult = opts.postValidation(getBuffer(true), result, opts);
                    if (postResult.refreshFromBuffer && postResult.buffer) {
                        var refresh = postResult.refreshFromBuffer;
                        refreshFromBuffer(refresh === true ? refresh : refresh.start, refresh.end, postResult.buffer);
                    }
                    result = postResult === true ? result : postResult;
                }

                if (result && result.pos === undefined) {
                    result.pos = maskPos;
                }

                if (result === false) {
                    resetMaskSet(true);
                    getMaskSet().validPositions = $.extend(true, {}, positionsClone); //revert validation changes
                }

                return result;
            }

            function isMask(pos, strict) {
                var test = getTestTemplate(pos).match;
                if (test.def === "") test = getTest(pos).match;

                if (test.fn != null) {
                    return test.fn;
                } else if (strict !== true && pos > -1) {
                    var tests = getTests(pos);
                    return tests.length > 1 + (tests[tests.length - 1].match.def === "" ? 1 : 0);
                }
                return false;
            }

            function seekNext(pos, newBlock) {
                var maskL = getMaskSet().maskLength;
                if (pos >= maskL) return maskL;
                var position = pos;
                if (getTests(maskL + 1).length > 1) {
                    getMaskTemplate(true, maskL + 1, true);
                    maskL = getMaskSet().maskLength;
                }
                while (++position < maskL &&
                ((newBlock === true && (getTest(position).match.newBlockMarker !== true || !isMask(position))) ||
                (newBlock !== true && !isMask(position)))) {
                }
                return position;
            }

            function seekPrevious(pos, newBlock) {
                var position = pos, tests;
                if (position <= 0) return 0;

                while (--position > 0 &&
                ((newBlock === true && getTest(position).match.newBlockMarker !== true) ||
                (newBlock !== true && !isMask(position) &&
                (tests = getTests(position), tests.length < 2 || (tests.length === 2 && tests[1].match.def === ""))))) {
                }

                return position;
            }

            function getBufferElement(position) {
                return getMaskSet().validPositions[position] === undefined ? getPlaceholder(position) : getMaskSet().validPositions[position].input;
            }

            function writeBuffer(input, buffer, caretPos, event, triggerInputEvent) {
                if (event && $.isFunction(opts.onBeforeWrite)) {
                    var result = opts.onBeforeWrite(event, buffer, caretPos, opts);
                    if (result) {
                        if (result.refreshFromBuffer) {
                            var refresh = result.refreshFromBuffer;
                            refreshFromBuffer(refresh === true ? refresh : refresh.start, refresh.end, result.buffer || buffer);
                            buffer = getBuffer(true);
                        }
                        //only alter when intented !== undefined
                        if (caretPos !== undefined) caretPos = result.caret !== undefined ? result.caret : caretPos;
                    }
                }
                if (input !== undefined) {
                    input.inputmask._valueSet(buffer.join(""));
                    if (caretPos !== undefined && (event === undefined || event.type !== "blur")) {
                        if (android && event.type === "input") {
                            setTimeout(function () {
                                caret(input, caretPos);
                            }, 0);
                        } else caret(input, caretPos);
                    } else renderColorMask(input, buffer, caretPos);
                    if (triggerInputEvent === true) {
                        skipInputEvent = true;
                        $(input).trigger("input");
                    }
                }
            }

            function getPlaceholder(pos, test, returnPL) {
                test = test || getTest(pos).match;
                if (test.placeholder !== undefined || returnPL === true) {
                    return $.isFunction(test.placeholder) ? test.placeholder(opts) : test.placeholder;
                } else if (test.fn === null) {
                    if (pos > -1 && getMaskSet().validPositions[pos] === undefined) {
                        var tests = getTests(pos),
                            staticAlternations = [],
                            prevTest;
                        if (tests.length > 1 + (tests[tests.length - 1].match.def === "" ? 1 : 0)) {
                            for (var i = 0; i < tests.length; i++) {
                                if (tests[i].match.optionality !== true && tests[i].match.optionalQuantifier !== true &&
                                    (tests[i].match.fn === null || (prevTest === undefined || tests[i].match.fn.test(prevTest.match.def, getMaskSet(), pos, true, opts) !== false))) {
                                    staticAlternations.push(tests[i]);
                                    if (tests[i].match.fn === null) prevTest = tests[i];
                                    if (staticAlternations.length > 1) {
                                        if (/[0-9a-bA-Z]/.test(staticAlternations[0].match.def)) {
                                            return opts.placeholder.charAt(pos % opts.placeholder.length);
                                        }
                                    }
                                }
                            }
                        }
                    }
                    return test.def;
                }

                return opts.placeholder.charAt(pos % opts.placeholder.length);
            }

            function checkVal(input, writeOut, strict, nptvl, initiatingEvent) {
                var inputValue = nptvl.slice(),
                    charCodes = "",
                    initialNdx = 0, result = undefined;

                // console.log(nptvl);

                function isTemplateMatch(ndx, charCodes) {
                    var charCodeNdx = getBufferTemplate().slice(ndx, seekNext(ndx)).join("").indexOf(charCodes);
                    return charCodeNdx !== -1 && !isMask(ndx) && getTest(ndx).match.nativeDef === charCodes.charAt(charCodes.length - 1);
                }

                resetMaskSet();
                while (inputValue[0] === getPlaceholder(initialNdx)) {
                    inputValue.shift();
                    initialNdx++;
                }
                getMaskSet().p = initialNdx;

                if (!strict) {
                    if (opts.autoUnmask !== true) {
                        var staticInput = getBufferTemplate().slice(0, seekNext(-1)).join(""),
                            matches = inputValue.join("").match(new RegExp("^" + Inputmask.escapeRegex(staticInput), "g"));
                        if (matches && matches.length > 0) {
                            inputValue.splice(0, matches.length * staticInput.length);
                            initialNdx = seekNext(initialNdx);
                        }
                    } else {
                        initialNdx = seekNext(initialNdx);
                    }
                }
                $.each(inputValue, function (ndx, charCode) {
                    // console.log(charCode);
                    if (charCode !== undefined) { //inputfallback strips some elements out of the inputarray.  $.each logically presents them as undefined
                        var keypress = new $.Event("_checkval");
                        keypress.which = charCode.charCodeAt(0);
                        charCodes += charCode;
                        var lvp = getLastValidPosition(undefined, true),
                            lvTest = getMaskSet().validPositions[lvp],
                            nextTest = getTestTemplate(lvp + 1, lvTest ? lvTest.locator.slice() : undefined, lvp);
                        if (!isTemplateMatch(initialNdx, charCodes) || strict || opts.autoUnmask) {
                            var pos = strict ? ndx : (nextTest.match.fn == null && nextTest.match.optionality && (lvp + 1) < getMaskSet().p ? lvp + 1 : getMaskSet().p);
                            result = EventHandlers.keypressEvent.call(input, keypress, true, false, strict, pos);
                            initialNdx = pos + 1;
                            charCodes = "";
                        } else {
                            result = EventHandlers.keypressEvent.call(input, keypress, true, false, true, lvp + 1);
                        }
                        if (result !== false && !strict && $.isFunction(opts.onBeforeWrite)) {
                            var fp = result.forwardPosition;
                            result = opts.onBeforeWrite(keypress, getBuffer(), result.forwardPosition, opts);
                            result.forwardPosition = fp;
                            if (result && result.refreshFromBuffer) {
                                var refresh = result.refreshFromBuffer;
                                refreshFromBuffer(refresh === true ? refresh : refresh.start, refresh.end, result.buffer);
                                resetMaskSet(true);
                                if (result.caret) {
                                    getMaskSet().p = result.caret;
                                    result.forwardPosition = result.caret;
                                }
                            }
                        }
                    }
                });
                if (writeOut) {
                    var caretPos = undefined;
                    if (document.activeElement === input && result) {
                        caretPos = opts.numericInput ? seekPrevious(result.forwardPosition) : result.forwardPosition;
                    }

                    writeBuffer(input, getBuffer(), caretPos, initiatingEvent || new $.Event("checkval"), initiatingEvent && initiatingEvent.type === "input");
                }
            }

            function unmaskedvalue(input) {
                if (input) {
                    if (input.inputmask === undefined) {
                        return input.value;
                    }
                    if (input.inputmask && input.inputmask.refreshValue) { //forced refresh from the value form.reset
                        EventHandlers.setValueEvent.call(input);
                    }
                }
                var umValue = [],
                    vps = getMaskSet().validPositions;
                for (var pndx in vps) {
                    if (vps[pndx].match && vps[pndx].match.fn != null) {
                        umValue.push(vps[pndx].input);
                    }
                }
                var unmaskedValue = umValue.length === 0 ? "" : (isRTL ? umValue.reverse() : umValue).join("");
                if ($.isFunction(opts.onUnMask)) {
                    var bufferValue = (isRTL ? getBuffer().slice().reverse() : getBuffer()).join("");
                    unmaskedValue = opts.onUnMask(bufferValue, unmaskedValue, opts);
                }
                return unmaskedValue;
            }

            function caret(input, begin, end, notranslate) {
                function translatePosition(pos) {
                    if (notranslate !== true && isRTL && typeof pos === "number" && (!opts.greedy || opts.placeholder !== "")) {
                        var bffrLght = getBuffer().join("").length; //join is needed because sometimes we get an empty buffer element which must not be counted for the caret position (numeric alias)
                        pos = bffrLght - pos;
                    }
                    return pos;
                }

                var range;
                if (begin !== undefined) {
                    if (begin.begin !== undefined) {
                        end = begin.end;
                        begin = begin.begin;
                    }
                    if (typeof begin === "number") {
                        begin = translatePosition(begin);
                        end = translatePosition(end);
                        end = (typeof end == "number") ? end : begin;
                        // if (!$(input).is(":visible")) {
                        // 	return;
                        // }

                        var scrollCalc = parseInt(((input.ownerDocument.defaultView || window).getComputedStyle ? (input.ownerDocument.defaultView || window).getComputedStyle(input, null) : input.currentStyle).fontSize) * end;
                        input.scrollLeft = scrollCalc > input.scrollWidth ? scrollCalc : 0;

                        if (!mobile && opts.insertMode === false && begin === end) end++; //set visualization for insert/overwrite mode
                        if (input.setSelectionRange) {
                            input.selectionStart = begin;
                            input.selectionEnd = end;
                        } else if (window.getSelection) {
                            range = document.createRange();
                            if (input.firstChild === undefined || input.firstChild === null) {
                                var textNode = document.createTextNode("");
                                input.appendChild(textNode);
                            }
                            range.setStart(input.firstChild, begin < input.inputmask._valueGet().length ? begin : input.inputmask._valueGet().length);
                            range.setEnd(input.firstChild, end < input.inputmask._valueGet().length ? end : input.inputmask._valueGet().length);
                            range.collapse(true);
                            var sel = window.getSelection();
                            sel.removeAllRanges();
                            sel.addRange(range);
                            //input.focus();
                        } else if (input.createTextRange) {
                            range = input.createTextRange();
                            range.collapse(true);
                            range.moveEnd("character", end);
                            range.moveStart("character", begin);
                            range.select();

                        }
                        renderColorMask(input, undefined, {begin: begin, end: end});
                    }
                } else {
                    if (input.setSelectionRange) {
                        begin = input.selectionStart;
                        end = input.selectionEnd;
                    } else if (window.getSelection) {
                        range = window.getSelection().getRangeAt(0);
                        if (range.commonAncestorContainer.parentNode === input || range.commonAncestorContainer === input) {
                            begin = range.startOffset;
                            end = range.endOffset;
                        }
                    } else if (document.selection && document.selection.createRange) {
                        range = document.selection.createRange();
                        begin = 0 - range.duplicate().moveStart("character", -input.inputmask._valueGet().length);
                        end = begin + range.text.length;
                    }

                    /*eslint-disable consistent-return */
                    return {
                        "begin": translatePosition(begin),
                        "end": translatePosition(end)
                    };
                    /*eslint-enable consistent-return */
                }
            }

            function determineLastRequiredPosition(returnDefinition) {
                var buffer = getBuffer(),
                    bl = buffer.length,
                    pos, lvp = getLastValidPosition(),
                    positions = {},
                    lvTest = getMaskSet().validPositions[lvp],
                    ndxIntlzr = lvTest !== undefined ? lvTest.locator.slice() : undefined,
                    testPos;
                for (pos = lvp + 1; pos < buffer.length; pos++) {
                    testPos = getTestTemplate(pos, ndxIntlzr, pos - 1);
                    ndxIntlzr = testPos.locator.slice();
                    positions[pos] = $.extend(true, {}, testPos);
                }

                var lvTestAlt = lvTest && lvTest.alternation !== undefined ? lvTest.locator[lvTest.alternation] : undefined;
                for (pos = bl - 1; pos > lvp; pos--) {
                    testPos = positions[pos];
                    if ((testPos.match.optionality ||
                        (testPos.match.optionalQuantifier && testPos.match.newBlockMarker) ||
                        (lvTestAlt &&
                        ((lvTestAlt !== positions[pos].locator[lvTest.alternation] && testPos.match.fn != null) ||
                        (testPos.match.fn === null && testPos.locator[lvTest.alternation] && checkAlternationMatch(testPos.locator[lvTest.alternation].toString().split(","), lvTestAlt.toString().split(",")) && getTests(pos)[0].def !== "")))) &&
                        buffer[pos] === getPlaceholder(pos, testPos.match)) {
                        bl--;
                    } else break;
                }
                return returnDefinition ? {
                    "l": bl,
                    "def": positions[bl] ? positions[bl].match : undefined
                } : bl;
            }

            function clearOptionalTail(buffer) {
                var rl = determineLastRequiredPosition(),
                    validPos, bl = buffer.length;

                var lv = getMaskSet().validPositions[getLastValidPosition()];
                while (rl < bl &&
                !isMask(rl, true) &&
                (validPos = (lv !== undefined ? getTestTemplate(rl, lv.locator.slice(""), lv) : getTest(rl))) &&
                validPos.match.optionality !== true &&
                ((validPos.match.optionalQuantifier !== true && validPos.match.newBlockMarker !== true) || (rl + 1 === bl &&
                (lv !== undefined ? getTestTemplate(rl + 1, lv.locator.slice(""), lv) : getTest(rl + 1)).match.def === ""))) {
                    rl++;
                }

                //exceptionally strip from the validatedPositions
                while ((validPos = getMaskSet().validPositions[rl - 1]) && validPos && validPos.match.optionality && validPos.input === opts.skipOptionalPartCharacter) {
                    rl--;
                }
                buffer.splice(rl);
                return buffer;
            }

            function isComplete(buffer) { //return true / false / undefined (repeat *)
                if ($.isFunction(opts.isComplete)) return opts.isComplete(buffer, opts);
                if (opts.repeat === "*") return undefined;
                var complete = false,
                    lrp = determineLastRequiredPosition(true),
                    aml = seekPrevious(lrp.l);

                if (lrp.def === undefined || lrp.def.newBlockMarker || lrp.def.optionality || lrp.def.optionalQuantifier) {
                    complete = true;
                    for (var i = 0; i <= aml; i++) {
                        var test = getTestTemplate(i).match;
                        if ((test.fn !== null && getMaskSet().validPositions[i] === undefined && test.optionality !== true && test.optionalQuantifier !== true) || (test.fn === null && buffer[i] !== getPlaceholder(i, test))) {
                            complete = false;
                            break;
                        }
                    }
                }
                return complete;
            }


            function handleRemove(input, k, pos, strict, fromIsValid) {
                function generalize() {
                    if (opts.keepStatic) {
                        var validInputs = [],
                            lastAlt = getLastValidPosition(-1, true),
                            positionsClone = $.extend(true, {}, getMaskSet().validPositions),
                            prevAltPos = getMaskSet().validPositions[lastAlt];
                        //find last alternation
                        for (; lastAlt >= 0; lastAlt--) {
                            var altPos = getMaskSet().validPositions[lastAlt];
                            if (altPos) {
                                if (altPos.generatedInput !== true && /[0-9a-bA-Z]/.test(altPos.input)) {
                                    validInputs.push(altPos.input);
                                }
                                delete getMaskSet().validPositions[lastAlt];
                                if (altPos.alternation !== undefined && altPos.locator[altPos.alternation] !== prevAltPos.locator[altPos.alternation]) {
                                    break;
                                }
                                prevAltPos = altPos;
                            }
                        }

                        if (lastAlt > -1) {
                            getMaskSet().p = seekNext(getLastValidPosition(-1, true));
                            while (validInputs.length > 0) {
                                var keypress = new $.Event("keypress");
                                keypress.which = validInputs.pop().charCodeAt(0);
                                // eslint-disable-next-line no-use-before-define
                                EventHandlers.keypressEvent.call(input, keypress, true, false, false, getMaskSet().p);

                            }
                        } else getMaskSet().validPositions = $.extend(true, {}, positionsClone); //restore original positions
                    }
                }

                if (opts.numericInput || isRTL) {
                    if (k === Inputmask.keyCode.BACKSPACE) {
                        k = Inputmask.keyCode.DELETE;
                    } else if (k === Inputmask.keyCode.DELETE) {
                        k = Inputmask.keyCode.BACKSPACE;
                    }

                    if (isRTL) {
                        var pend = pos.end;
                        pos.end = pos.begin;
                        pos.begin = pend;
                    }
                }

                if (k === Inputmask.keyCode.BACKSPACE && (pos.end - pos.begin < 1 || opts.insertMode === false)) {
                    pos.begin = seekPrevious(pos.begin);
                    if (getMaskSet().validPositions[pos.begin] !== undefined && getMaskSet().validPositions[pos.begin].input === opts.groupSeparator) {
                        pos.begin--;
                    }
                } else if (k === Inputmask.keyCode.DELETE && pos.begin === pos.end) {
                    pos.end = isMask(pos.end, true) && (getMaskSet().validPositions[pos.end] && getMaskSet().validPositions[pos.end].input !== opts.radixPoint  ) ?
                        pos.end + 1 :
                        seekNext(pos.end) + 1;
                    if (getMaskSet().validPositions[pos.begin] !== undefined && getMaskSet().validPositions[pos.begin].input === opts.groupSeparator) {
                        pos.end++;
                    }
                }

                stripValidPositions(pos.begin, pos.end, false, strict);
                if (strict !== true) {
                    generalize(); //revert the alternation
                }
                var lvp = getLastValidPosition(pos.begin, true);
                if (lvp < pos.begin) {
                    //if (lvp === -1) resetMaskSet();
                    getMaskSet().p = seekNext(lvp);
                } else if (strict !== true) {
                    getMaskSet().p = pos.begin;
                    if (fromIsValid !== true) {
                        //put position on first valid from pos.begin ~ #1351
                        while (getMaskSet().p < lvp && getMaskSet().validPositions[getMaskSet().p] === undefined) {
                            getMaskSet().p++;
                        }
                    }
                }
            }

            var EventRuler = {
                on: function (input, eventName, eventHandler) {
                    var ev = function (e) {
                        // console.log("triggered " + e.type);

                        if (this.inputmask === undefined && this.nodeName !== "FORM") { //happens when cloning an object with jquery.clone
                            var imOpts = $.data(this, "_inputmask_opts");
                            if (imOpts) (new Inputmask(imOpts)).mask(this);
                            else EventRuler.off(this);
                        } else if (e.type !== "setvalue" && this.nodeName !== "FORM" && (this.disabled || (this.readOnly && !(e.type === "keydown" && (e.ctrlKey && e.keyCode === 67) || (opts.tabThrough === false && e.keyCode === Inputmask.keyCode.TAB))))) {
                            e.preventDefault();
                        } else {
                            switch (e.type) {
                                case "input":
                                    if (skipInputEvent === true) {
                                        skipInputEvent = false;
                                        return e.preventDefault();
                                    }
                                    break;
                                case "keydown":
                                    //Safari 5.1.x - modal dialog fires keypress twice workaround
                                    skipKeyPressEvent = false;
                                    skipInputEvent = false;
                                    break;
                                case "keypress":
                                    if (skipKeyPressEvent === true) {
                                        return e.preventDefault();
                                    }
                                    skipKeyPressEvent = true;
                                    break;
                                case "click":
                                    if (iemobile || iphone) {
                                        var that = this, args = arguments;
                                        setTimeout(function () {
                                            eventHandler.apply(that, args);
                                        }, 0);
                                        return false;
                                    }
                                    break;
                            }
                            // console.log("executed " + e.type);
                            var returnVal = eventHandler.apply(this, arguments);
                            if (returnVal === false) {
                                e.preventDefault();
                                e.stopPropagation();
                            }
                            return returnVal;
                        }
                    };
                    //keep instance of the event
                    input.inputmask.events[eventName] = input.inputmask.events[eventName] || [];
                    input.inputmask.events[eventName].push(ev);

                    if ($.inArray(eventName, ["submit", "reset"]) !== -1) {
                        if (input.form != null) $(input.form).on(eventName, ev);
                    } else {
                        $(input).on(eventName, ev);
                    }
                },
                off: function (input, event) {
                    if (input.inputmask && input.inputmask.events) {
                        var events;
                        if (event) {
                            events = [];
                            events[event] = input.inputmask.events[event];
                        } else {
                            events = input.inputmask.events;
                        }
                        $.each(events, function (eventName, evArr) {
                            while (evArr.length > 0) {
                                var ev = evArr.pop();
                                if ($.inArray(eventName, ["submit", "reset"]) !== -1) {
                                    if (input.form != null) $(input.form).off(eventName, ev);
                                } else {
                                    $(input).off(eventName, ev);
                                }
                            }
                            delete input.inputmask.events[eventName];
                        });
                    }
                }
            };
            var EventHandlers = {
                keydownEvent: function (e) {
                    function isInputEventSupported(eventName) {
                        var el = document.createElement("input"),
                            evName = "on" + eventName,
                            isSupported = (evName in el);
                        if (!isSupported) {
                            el.setAttribute(evName, "return;");
                            isSupported = typeof el[evName] == "function";
                        }
                        el = null;
                        return isSupported;
                    }

                    var input = this,
                        $input = $(input),
                        k = e.keyCode,
                        pos = caret(input);

                    //backspace, delete, and escape get special treatment
                    if (k === Inputmask.keyCode.BACKSPACE || k === Inputmask.keyCode.DELETE || (iphone && k === Inputmask.keyCode.BACKSPACE_SAFARI) || (e.ctrlKey && k === Inputmask.keyCode.X && !isInputEventSupported("cut"))) { //backspace/delete
                        e.preventDefault(); //stop default action but allow propagation
                        handleRemove(input, k, pos);
                        writeBuffer(input, getBuffer(true), getMaskSet().p, e, input.inputmask._valueGet() !== getBuffer().join(""));
                        if (input.inputmask._valueGet() === getBufferTemplate().join("")) {
                            $input.trigger("cleared");
                        } else if (isComplete(getBuffer()) === true) {
                            $input.trigger("complete");
                        }
                    } else if (k === Inputmask.keyCode.END || k === Inputmask.keyCode.PAGE_DOWN) { //when END or PAGE_DOWN pressed set position at lastmatch
                        e.preventDefault();
                        var caretPos = seekNext(getLastValidPosition());
                        if (!opts.insertMode && caretPos === getMaskSet().maskLength && !e.shiftKey) caretPos--;
                        caret(input, e.shiftKey ? pos.begin : caretPos, caretPos, true);
                    } else if ((k === Inputmask.keyCode.HOME && !e.shiftKey) || k === Inputmask.keyCode.PAGE_UP) { //Home or page_up
                        e.preventDefault();
                        caret(input, 0, e.shiftKey ? pos.begin : 0, true);
                    } else if (((opts.undoOnEscape && k === Inputmask.keyCode.ESCAPE) || (k === 90 && e.ctrlKey)) && e.altKey !== true) { //escape && undo && #762
                        checkVal(input, true, false, undoValue.split(""));
                        $input.trigger("click");
                    } else if (k === Inputmask.keyCode.INSERT && !(e.shiftKey || e.ctrlKey)) { //insert
                        opts.insertMode = !opts.insertMode;
                        caret(input, !opts.insertMode && pos.begin === getMaskSet().maskLength ? pos.begin - 1 : pos.begin);
                    } else if (opts.tabThrough === true && k === Inputmask.keyCode.TAB) {
                        if (e.shiftKey === true) {
                            if (getTest(pos.begin).match.fn === null) {
                                pos.begin = seekNext(pos.begin);
                            }
                            pos.end = seekPrevious(pos.begin, true);
                            pos.begin = seekPrevious(pos.end, true);
                        } else {
                            pos.begin = seekNext(pos.begin, true);
                            pos.end = seekNext(pos.begin, true);
                            if (pos.end < getMaskSet().maskLength) pos.end--;
                        }
                        if (pos.begin < getMaskSet().maskLength) {
                            e.preventDefault();
                            caret(input, pos.begin, pos.end);
                        }
                    } else if (!e.shiftKey) {
                        if (opts.insertMode === false) {
                            if (k === Inputmask.keyCode.RIGHT) {
                                setTimeout(function () {
                                    var caretPos = caret(input);
                                    caret(input, caretPos.begin);
                                }, 0);
                            } else if (k === Inputmask.keyCode.LEFT) {
                                setTimeout(function () {
                                    var caretPos = caret(input);
                                    caret(input, isRTL ? caretPos.begin + 1 : caretPos.begin - 1);
                                }, 0);
                            }
                        }
                    }
                    opts.onKeyDown.call(this, e, getBuffer(), caret(input).begin, opts);
                    ignorable = $.inArray(k, opts.ignorables) !== -1;
                },
                keypressEvent: function (e, checkval, writeOut, strict, ndx) {
                    var input = this,
                        $input = $(input),
                        k = e.which || e.charCode || e.keyCode;

                    if (checkval !== true && (!(e.ctrlKey && e.altKey) && (e.ctrlKey || e.metaKey || ignorable))) {
                        if (k === Inputmask.keyCode.ENTER && undoValue !== getBuffer().join("")) {
                            undoValue = getBuffer().join("");
                            // e.preventDefault();
                            setTimeout(function () {
                                $input.trigger("change");
                            }, 0);
                        }
                        return true;
                    } else {
                        if (k) {
                            //special treat the decimal separator
                            if (k === 46 && e.shiftKey === false && opts.radixPoint !== "") k = opts.radixPoint.charCodeAt(0);
                            var pos = checkval ? {
                                    begin: ndx,
                                    end: ndx
                                } : caret(input),
                                forwardPosition, c = String.fromCharCode(k);

                            getMaskSet().writeOutBuffer = true;
                            var valResult = isValid(pos, c, strict);
                            if (valResult !== false) {
                                resetMaskSet(true);
                                forwardPosition = valResult.caret !== undefined ? valResult.caret : checkval ? valResult.pos + 1 : seekNext(valResult.pos);
                                getMaskSet().p = forwardPosition; //needed for checkval
                            }

                            if (writeOut !== false) {
                                setTimeout(function () {
                                    opts.onKeyValidation.call(input, k, valResult, opts);
                                }, 0);
                                if (getMaskSet().writeOutBuffer && valResult !== false) {
                                    var buffer = getBuffer();
                                    writeBuffer(input, buffer, (opts.numericInput && valResult.caret === undefined) ? seekPrevious(forwardPosition) : forwardPosition, e, checkval !== true);
                                    if (checkval !== true) {
                                        setTimeout(function () { //timeout needed for IE
                                            if (isComplete(buffer) === true) $input.trigger("complete");
                                        }, 0);
                                    }
                                }
                            }

                            e.preventDefault();

                            if (checkval) {
                                if (valResult !== false) valResult.forwardPosition = forwardPosition;
                                return valResult;
                            }
                        }
                    }
                },
                pasteEvent: function (e) {
                    var input = this,
                        ev = e.originalEvent || e,
                        $input = $(input),
                        inputValue = input.inputmask._valueGet(true),
                        caretPos = caret(input),
                        tempValue;

                    if (isRTL) {
                        tempValue = caretPos.end;
                        caretPos.end = caretPos.begin;
                        caretPos.begin = tempValue;
                    }

                    var valueBeforeCaret = inputValue.substr(0, caretPos.begin),
                        valueAfterCaret = inputValue.substr(caretPos.end, inputValue.length);

                    if (valueBeforeCaret === (isRTL ? getBufferTemplate().reverse() : getBufferTemplate()).slice(0, caretPos.begin).join("")) valueBeforeCaret = "";
                    if (valueAfterCaret === (isRTL ? getBufferTemplate().reverse() : getBufferTemplate()).slice(caretPos.end).join("")) valueAfterCaret = "";
                    if (isRTL) {
                        tempValue = valueBeforeCaret;
                        valueBeforeCaret = valueAfterCaret;
                        valueAfterCaret = tempValue;
                    }

                    if (window.clipboardData && window.clipboardData.getData) { // IE
                        inputValue = valueBeforeCaret + window.clipboardData.getData("Text") + valueAfterCaret;
                    } else if (ev.clipboardData && ev.clipboardData.getData) {
                        inputValue = valueBeforeCaret + ev.clipboardData.getData("text/plain") + valueAfterCaret;
                    } else return true; //allow native paste event as fallback ~ masking will continue by inputfallback

                    var pasteValue = inputValue;
                    if ($.isFunction(opts.onBeforePaste)) {
                        pasteValue = opts.onBeforePaste(inputValue, opts);
                        if (pasteValue === false) {
                            return e.preventDefault();
                        }
                        if (!pasteValue) {
                            pasteValue = inputValue;
                        }
                    }
                    checkVal(input, false, false, isRTL ? pasteValue.split("").reverse() : pasteValue.toString().split(""));
                    writeBuffer(input, getBuffer(), seekNext(getLastValidPosition()), e, undoValue !== getBuffer().join(""));
                    if (isComplete(getBuffer()) === true) {
                        $input.trigger("complete");
                    }

                    return e.preventDefault();
                },
                inputFallBackEvent: function (e) { //fallback when keypress is not triggered
                    function repositionCaret(input, frontPart, backPart) {
                        var targetPos = caret(input).begin, currentValue = input.inputmask._valueGet(),
                            pos = currentValue.indexOf(frontPart), currentPos = targetPos;
                        if (pos === 0 && targetPos !== frontPart.length) {
                            targetPos = frontPart.length;
                        } else {
                            while (currentValue.match(Inputmask.escapeRegex(backPart) + "$") === null) {
                                backPart = backPart.substr(1);
                            }
                            var pos2 = currentValue.indexOf(backPart);
                            if (pos2 !== -1 && backPart !== "" && targetPos > pos2 && pos2 > pos) {
                                targetPos = pos2;
                            }
                        }

                        if (!isMask(targetPos)) targetPos = seekNext(targetPos);
                        if (currentPos !== targetPos) {
                            caret(input, targetPos);
                            if (android) { //caret is set by android after inputevent
                                setTimeout(function () {
                                    caret(input, targetPos);
                                }, 0);
                            }
                        }
                    }

                    function radixPointHandler(input, inputValue, caretPos) {
                        //radixpoint tweak
                        if (inputValue.charAt(caretPos.begin - 1) === "." && opts.radixPoint !== "") {
                            inputValue = inputValue.split("");
                            inputValue[caretPos.begin - 1] = opts.radixPoint.charAt(0);
                            inputValue = inputValue.join("");
                        }

                        if (inputValue.charAt(caretPos.begin - 1) === opts.radixPoint && inputValue.length > getBuffer().length) {
                            var keypress = new $.Event("keypress");
                            keypress.which = opts.radixPoint.charCodeAt(0);
                            EventHandlers.keypressEvent.call(input, keypress, true, true, false, caretPos.begin);
                            return false;

                        }
                    }

                    function ieMobileHandler(input, inputValue, caretPos) {
                        if (iemobile) { //iemobile just set the character at the end althought the caret position is correctly set
                            var inputChar = inputValue.replace(getBuffer().join(""), "");
                            if (inputChar.length === 1) {
                                var keypress = new $.Event("keypress");
                                keypress.which = inputChar.charCodeAt(0);
                                EventHandlers.keypressEvent.call(input, keypress, true, true, false, getMaskSet().validPositions[caretPos.begin - 1] ? caretPos.begin : caretPos.begin - 1);
                                return false;
                            }
                        }
                    }

                    var input = this,
                        inputValue = input.inputmask._valueGet();

                    if (getBuffer().join("") !== inputValue) {
                        var caretPos = caret(input);
                        if (radixPointHandler(input, inputValue, caretPos) === false) return false;
                        inputValue = inputValue.replace(new RegExp("(" + Inputmask.escapeRegex(getBufferTemplate().join("")) + ")*"), "");
                        if (ieMobileHandler(input, inputValue, caretPos) === false) return false;

                        if (caretPos.begin > inputValue.length) {
                            caret(input, inputValue.length);
                            caretPos = caret(input);
                        }

                        var buffer = getBuffer().join(""),
                            frontPart = inputValue.substr(0, caretPos.begin),
                            backPart = inputValue.substr(caretPos.begin),
                            frontBufferPart = buffer.substr(0, caretPos.begin),
                            backBufferPart = buffer.substr(caretPos.begin);

                        //check if thare was a selection
                        var selection = {begin: frontPart.length}, endOffset = 0;
                        if (frontPart[frontPart.length - 1] !== frontBufferPart[frontBufferPart.length - 1]) {
                            selection.begin--;
                            endOffset++;
                        }
                        if (backPart.length > backBufferPart.length) {
                            selection.end = selection.begin;
                        } else {
                            var selectedPart = backBufferPart.replace(new RegExp(Inputmask.escapeRegex(backPart) + "$"), "");
                            selection.end = selection.begin + selectedPart.length + endOffset;
                        }

                        if (selection.begin == selection.end && !isMask(selection.begin)) {
                            selection.end = caretPos.end;
                        }

                        //is selection
                        if (backPart !== "" && selection.begin < selection.end) {
                            writeBuffer(input, getBuffer(), selection);
                            if (frontPart.charCodeAt(frontPart.length - 1) !== frontBufferPart.charCodeAt(frontBufferPart.length - 1)) {
                                e.which = frontPart.charCodeAt(frontPart.length - 1);
                                ignorable = false; //make sure ignorable is ignored ;-)
                                EventHandlers.keypressEvent.call(input, e);
                            } else {
                                if (selection.begin == selection.end - 1)
                                    caret(input, seekPrevious(selection.begin + 1), selection.end);
                                e.keyCode = Inputmask.keyCode.DELETE;
                                EventHandlers.keydownEvent.call(input, e);
                            }
                        } else {
                            var bufferTemplate = getBufferTemplate().join("");
                            while (inputValue.match(Inputmask.escapeRegex(bufferTemplate) + "$") === null) {
                                bufferTemplate = bufferTemplate.slice(1);
                            }
                            inputValue = inputValue.replace(bufferTemplate, "");
                            if ($.isFunction(opts.onBeforeMask)) inputValue = opts.onBeforeMask(inputValue, opts) || inputValue;
                            checkVal(input, true, false, inputValue.split(""), e);
                            repositionCaret(input, frontPart, backPart);

                            if (isComplete(getBuffer()) === true) {
                                $(input).trigger("complete");
                            }
                        }

                        e.preventDefault();
                    }
                },
                setValueEvent: function (e) {
                    this.inputmask.refreshValue = false;
                    var input = this,
                        value = input.inputmask._valueGet(true);

                    if ($.isFunction(opts.onBeforeMask)) value = opts.onBeforeMask(value, opts) || value;
                    value = value.split("");
                    checkVal(input, true, false, isRTL ? value.reverse() : value);
                    undoValue = getBuffer().join("");
                    if ((opts.clearMaskOnLostFocus || opts.clearIncomplete) && input.inputmask._valueGet() === getBufferTemplate().join("")) {
                        input.inputmask._valueSet("");
                    }
                }

                ,
                focusEvent: function (e) {
                    var input = this,
                        nptValue = input.inputmask._valueGet();
                    if (opts.showMaskOnFocus && (!opts.showMaskOnHover || (opts.showMaskOnHover && nptValue === ""))) {
                        if (input.inputmask._valueGet() !== getBuffer().join("")) {
                            writeBuffer(input, getBuffer(), seekNext(getLastValidPosition()));
                        } else if (mouseEnter === false) { //only executed on focus without mouseenter
                            caret(input, seekNext(getLastValidPosition()));
                        }
                    }
                    if (opts.positionCaretOnTab === true && mouseEnter === false) {
                        writeBuffer(input, getBuffer(), caret(input));
                        EventHandlers.clickEvent.apply(input, [e, true]);
                    }
                    undoValue = getBuffer().join("");
                }
                ,
                mouseleaveEvent: function (e) {
                    var input = this;
                    mouseEnter = false;
                    if (opts.clearMaskOnLostFocus && document.activeElement !== input) {
                        var buffer = getBuffer().slice(),
                            nptValue = input.inputmask._valueGet();
                        if (nptValue !== input.getAttribute("placeholder") && nptValue !== "") {
                            if (getLastValidPosition() === -1 && nptValue === getBufferTemplate().join("")) {
                                buffer = [];
                            } else { //clearout optional tail of the mask
                                clearOptionalTail(buffer);
                            }
                            writeBuffer(input, buffer);
                        }
                    }
                }
                ,
                clickEvent: function (e, tabbed) {
                    function doRadixFocus(clickPos) {
                        if (opts.radixPoint !== "") {
                            var vps = getMaskSet().validPositions;
                            if (vps[clickPos] === undefined || (vps[clickPos].input === getPlaceholder(clickPos))) {
                                if (clickPos < seekNext(-1)) return true;
                                var radixPos = $.inArray(opts.radixPoint, getBuffer());
                                if (radixPos !== -1) {
                                    for (var vp in vps) {
                                        if (radixPos < vp && vps[vp].input !== getPlaceholder(vp)) {
                                            return false;
                                        }
                                    }
                                    return true;
                                }
                            }
                        }
                        return false;
                    }

                    var input = this;
                    setTimeout(function () { //needed for Chrome ~ initial selection clears after the clickevent
                        if (document.activeElement === input) {
                            var selectedCaret = caret(input);
                            if (tabbed) {
                                if (isRTL) {
                                    selectedCaret.end = selectedCaret.begin;
                                }
                                else {
                                    selectedCaret.begin = selectedCaret.end;
                                }
                            }
                            if (selectedCaret.begin === selectedCaret.end) {
                                switch (opts.positionCaretOnClick) {
                                    case "none":
                                        break;
                                    case "radixFocus":
                                        if (doRadixFocus(selectedCaret.begin)) {
                                            var radixPos = getBuffer().join("").indexOf(opts.radixPoint);
                                            caret(input, opts.numericInput ? seekNext(radixPos) : radixPos);
                                            break;
                                        }
                                    default: //lvp:
                                        var clickPosition = selectedCaret.begin,
                                            lvclickPosition = getLastValidPosition(clickPosition, true),
                                            lastPosition = seekNext(lvclickPosition);
                                        if (clickPosition < lastPosition) {
                                            caret(input, !isMask(clickPosition) && !isMask(clickPosition - 1) ? seekNext(clickPosition) : clickPosition);
                                        } else {
                                            var placeholder = getPlaceholder(lastPosition),
                                                lvp = getMaskSet().validPositions[lvclickPosition],
                                                tt = getTestTemplate(lastPosition, lvp ? lvp.match.locator : undefined, lvp);
                                            if ((placeholder !== "" && getBuffer()[lastPosition] !== placeholder && tt.match.optionalQuantifier !== true) || (!isMask(lastPosition) && tt.match.def === placeholder)) {
                                                var newPos = seekNext(lastPosition);
                                                if (clickPosition >= newPos) {
                                                    lastPosition = newPos;
                                                }
                                            }
                                            caret(input, lastPosition);
                                        }
                                        break;
                                }
                            }
                        }
                    }, 0);
                }
                ,
                dblclickEvent: function (e) {
                    var input = this;
                    setTimeout(function () {
                        caret(input, 0, seekNext(getLastValidPosition()));
                    }, 0);
                },
                cutEvent: function (e) {
                    var input = this,
                        $input = $(input),
                        pos = caret(input),
                        ev = e.originalEvent || e;

                    //correct clipboardData
                    var clipboardData = window.clipboardData || ev.clipboardData,
                        clipData = isRTL ? getBuffer().slice(pos.end, pos.begin) : getBuffer().slice(pos.begin, pos.end);
                    clipboardData.setData("text", isRTL ? clipData.reverse().join("") : clipData.join(""));
                    if (document.execCommand) document.execCommand("copy"); // copy selected content to system clipbaord

                    handleRemove(input, Inputmask.keyCode.DELETE, pos);
                    writeBuffer(input, getBuffer(), getMaskSet().p, e, undoValue !== getBuffer().join(""));

                    if (input.inputmask._valueGet() === getBufferTemplate().join("")) {
                        $input.trigger("cleared");
                    }
                },
                blurEvent: function (e) {
                    var $input = $(this),
                        input = this;
                    if (input.inputmask) {
                        var nptValue = input.inputmask._valueGet(),
                            buffer = getBuffer().slice();

                        if (nptValue !== "") {
                            if (opts.clearMaskOnLostFocus) {
                                if (getLastValidPosition() === -1 && nptValue === getBufferTemplate().join("")) {
                                    buffer = [];
                                } else { //clearout optional tail of the mask
                                    clearOptionalTail(buffer);
                                }
                            }
                            if (isComplete(buffer) === false) {
                                setTimeout(function () {
                                    $input.trigger("incomplete");
                                }, 0);
                                if (opts.clearIncomplete) {
                                    resetMaskSet();
                                    if (opts.clearMaskOnLostFocus) {
                                        buffer = [];
                                    } else {
                                        buffer = getBufferTemplate().slice();
                                    }
                                }
                            }

                            writeBuffer(input, buffer, undefined, e);
                        }

                        if (undoValue !== getBuffer().join("")) {
                            undoValue = buffer.join("");
                            $input.trigger("change");
                        }
                    }
                },
                mouseenterEvent: function (e) {
                    var input = this;
                    mouseEnter = true;
                    if (document.activeElement !== input && opts.showMaskOnHover) {
                        if (input.inputmask._valueGet() !== getBuffer().join("")) {
                            writeBuffer(input, getBuffer());
                        }
                    }
                }
                ,
                submitEvent: function (e) { //trigger change on submit if any
                    if (undoValue !== getBuffer().join("")) {
                        $el.trigger("change");
                    }
                    if (opts.clearMaskOnLostFocus && getLastValidPosition() === -1 && el.inputmask._valueGet && el.inputmask._valueGet() === getBufferTemplate().join("")) {
                        el.inputmask._valueSet(""); //clear masktemplete on submit and still has focus
                    }
                    if (opts.removeMaskOnSubmit) {
                        el.inputmask._valueSet(el.inputmask.unmaskedvalue(), true);
                        setTimeout(function () {
                            writeBuffer(el, getBuffer());
                        }, 0);
                    }
                }
                ,
                resetEvent: function (e) {
                    el.inputmask.refreshValue = true; //indicate a forced refresh when there is a call to the value before leaving the triggering event fn
                    setTimeout(function () {
                        $el.trigger("setvalue");
                    }, 0);
                }
            };


            function initializeColorMask(input) {
                var offset = $(input).position(),
                    computedStyle = (input.ownerDocument.defaultView || window).getComputedStyle(input, null);
                // parentNode = input.parentNode;

                function findCaretPos(clientx) {
                    //calculate text width
                    var e = document.createElement("span"), caretPos;
                    for (var style in computedStyle) { //clone styles
                        if (isNaN(style) && style.indexOf("font") !== -1) {
                            e.style[style] = computedStyle[style];
                        }
                    }
                    e.style.textTransform = computedStyle.textTransform;
                    e.style.letterSpacing = computedStyle.letterSpacing;
                    e.style.position = "absolute";
                    e.style.height = "auto";
                    e.style.width = "auto";
                    e.style.visibility = "hidden";
                    e.style.whiteSpace = "nowrap";

                    document.body.appendChild(e);
                    var inputText = input.inputmask._valueGet(), previousWidth = 0, itl;
                    for (caretPos = 0, itl = inputText.length; caretPos <= itl; caretPos++) {
                        e.innerHTML += inputText.charAt(caretPos) || "_";
                        if (e.offsetWidth >= clientx) {
                            var offset1 = (clientx - previousWidth);
                            var offset2 = e.offsetWidth - clientx;
                            e.innerHTML = inputText.charAt(caretPos);
                            offset1 -= (e.offsetWidth / 3);
                            caretPos = offset1 < offset2 ? caretPos - 1 : caretPos;
                            break;
                        }
                        previousWidth = e.offsetWidth;
                    }
                    document.body.removeChild(e);
                    return caretPos;
                }

                function position() {
                    colorMask.style.position = "absolute";
                    colorMask.style.top = offset.top + "px";
                    colorMask.style.left = offset.left + "px";
                    colorMask.style.width = parseInt(input.offsetWidth) - parseInt(computedStyle.paddingLeft) - parseInt(computedStyle.paddingRight) - parseInt(computedStyle.borderLeftWidth) - parseInt(computedStyle.borderRightWidth) + "px";
                    colorMask.style.height = parseInt(input.offsetHeight) - parseInt(computedStyle.paddingTop) - parseInt(computedStyle.paddingBottom) - parseInt(computedStyle.borderTopWidth) - parseInt(computedStyle.borderBottomWidth) + "px";

                    colorMask.style.lineHeight = colorMask.style.height;
                    colorMask.style.zIndex = isNaN(computedStyle.zIndex) ? -1 : computedStyle.zIndex - 1;
                    colorMask.style.webkitAppearance = "textfield";
                    colorMask.style.mozAppearance = "textfield";
                    colorMask.style.Appearance = "textfield";

                }


                colorMask = document.createElement("div");
                document.body.appendChild(colorMask); //insert at body to prevent css clash :last-child for example
                for (var style in computedStyle) { //clone styles
                    if (computedStyle.hasOwnProperty(style)) {
                        if (isNaN(style) && style !== "cssText" && style.indexOf("webkit") == -1) {
                            colorMask.style[style] = computedStyle[style];
                        }
                    }
                }

                //restyle input
                input.style.backgroundColor = "transparent";
                input.style.color = "transparent";
                input.style.webkitAppearance = "caret";
                input.style.mozAppearance = "caret";
                input.style.Appearance = "caret";

                position();

                //event passthrough
                $(window).on("resize", function (e) {
                    offset = $(input).position();
                    computedStyle = (input.ownerDocument.defaultView || window).getComputedStyle(input, null);
                    position();
                });
                $(input).on("click", function (e) {
                    caret(input, findCaretPos(e.clientX));
                    return EventHandlers.clickEvent.call(this, [e]);
                });
                $(input).on("keydown", function (e) {
                    if (!e.shiftKey && opts.insertMode !== false) {
                        setTimeout(function () {
                            renderColorMask(input);
                        }, 0);
                    }
                });
            }

            function renderColorMask(input, buffer, caretPos) {
                function handleStatic() {
                    if (!isStatic && (test.fn === null || testPos.input === undefined)) {
                        isStatic = true;
                        maskTemplate += "<span class='im-static''>"
                    } else if (isStatic && (test.fn !== null && testPos.input !== undefined)) {
                        isStatic = false;
                        maskTemplate += "</span>"
                    }
                }

                if (colorMask !== undefined) {
                    buffer = buffer || getBuffer();
                    if (caretPos === undefined) {
                        caretPos = caret(input);
                    } else if (caretPos.begin === undefined) {
                        caretPos = {begin: caretPos, end: caretPos};
                    }

                    var maskTemplate = "", isStatic = false;
                    if (buffer != "") {
                        var ndxIntlzr, pos = 0,
                            test, testPos, lvp = getLastValidPosition();
                        do {
                            if (pos === caretPos.begin && document.activeElement === input) {
                                maskTemplate += "<span class='im-caret' style='border-right-width: 1px;border-right-style: solid;'></span>";
                            }
                            if (getMaskSet().validPositions[pos]) {
                                testPos = getMaskSet().validPositions[pos];
                                test = testPos.match;
                                ndxIntlzr = testPos.locator.slice();
                                handleStatic();
                                maskTemplate += testPos.input;
                            } else {
                                testPos = getTestTemplate(pos, ndxIntlzr, pos - 1);
                                test = testPos.match;
                                ndxIntlzr = testPos.locator.slice();
                                if (opts.jitMasking === false || pos < lvp || (typeof opts.jitMasking === "number" && isFinite(opts.jitMasking) && opts.jitMasking > pos)) {
                                    handleStatic();
                                    maskTemplate += getPlaceholder(pos, test);
                                }
                            }
                            pos++;
                        } while ((maxLength === undefined || pos < maxLength) && (test.fn !== null || test.def !== "") || lvp > pos);
                    }
                    colorMask.innerHTML = maskTemplate;
                }
            }

            function mask(elem) {
                function isElementTypeSupported(input, opts) {
                    function patchValueProperty(npt) {
                        var valueGet;
                        var valueSet;

                        function patchValhook(type) {
                            if ($.valHooks && ($.valHooks[type] === undefined || $.valHooks[type].inputmaskpatch !== true)) {
                                var valhookGet = $.valHooks[type] && $.valHooks[type].get ? $.valHooks[type].get : function (elem) {
                                    return elem.value;
                                };
                                var valhookSet = $.valHooks[type] && $.valHooks[type].set ? $.valHooks[type].set : function (elem, value) {
                                    elem.value = value;
                                    return elem;
                                };

                                $.valHooks[type] = {
                                    get: function (elem) {
                                        if (elem.inputmask) {
                                            if (elem.inputmask.opts.autoUnmask) {
                                                return elem.inputmask.unmaskedvalue();
                                            } else {
                                                var result = valhookGet(elem);
                                                return getLastValidPosition(undefined, undefined, elem.inputmask.maskset.validPositions) !== -1 || opts.nullable !== true ? result : "";
                                            }
                                        } else return valhookGet(elem);
                                    },
                                    set: function (elem, value) {
                                        var $elem = $(elem),
                                            result;
                                        result = valhookSet(elem, value);
                                        if (elem.inputmask) {
                                            $elem.trigger("setvalue");
                                        }
                                        return result;
                                    },
                                    inputmaskpatch: true
                                };
                            }
                        }

                        function getter() {
                            if (this.inputmask) {
                                return this.inputmask.opts.autoUnmask ?
                                    this.inputmask.unmaskedvalue() :
                                    (getLastValidPosition() !== -1 || opts.nullable !== true ?
                                        (document.activeElement === this && opts.clearMaskOnLostFocus ?
                                            (isRTL ? clearOptionalTail(getBuffer().slice()).reverse() : clearOptionalTail(getBuffer().slice())).join("") :
                                            valueGet.call(this)) :
                                        "");
                            } else return valueGet.call(this);
                        }

                        function setter(value) {
                            valueSet.call(this, value);
                            if (this.inputmask) {
                                $(this).trigger("setvalue");
                            }
                        }

                        function installNativeValueSetFallback(npt) {
                            EventRuler.on(npt, "mouseenter", function (event) {
                                var $input = $(this),
                                    input = this,
                                    value = input.inputmask._valueGet();
                                if (value !== getBuffer().join("") /*&& getLastValidPosition() > 0*/) {
                                    $input.trigger("setvalue");
                                }
                            });
                        }

                        if (!npt.inputmask.__valueGet) {
                            if (opts.noValuePatching !== true) {
                                if (Object.getOwnPropertyDescriptor) {
                                    if (typeof Object.getPrototypeOf !== "function") {
                                        Object.getPrototypeOf = typeof "test".__proto__ === "object" ? function (object) {
                                            return object.__proto__;
                                        } : function (object) {
                                            return object.constructor.prototype;
                                        };
                                    }

                                    var valueProperty = Object.getPrototypeOf ? Object.getOwnPropertyDescriptor(Object.getPrototypeOf(npt), "value") : undefined;
                                    if (valueProperty && valueProperty.get && valueProperty.set) {
                                        valueGet = valueProperty.get;
                                        valueSet = valueProperty.set;
                                        Object.defineProperty(npt, "value", {
                                            get: getter,
                                            set: setter,
                                            configurable: true
                                        });
                                    } else if (npt.tagName !== "INPUT") {
                                        valueGet = function () {
                                            return this.textContent;
                                        };
                                        valueSet = function (value) {
                                            this.textContent = value;
                                        };
                                        Object.defineProperty(npt, "value", {
                                            get: getter,
                                            set: setter,
                                            configurable: true
                                        });
                                    }
                                } else if (document.__lookupGetter__ && npt.__lookupGetter__("value")) {
                                    valueGet = npt.__lookupGetter__("value");
                                    valueSet = npt.__lookupSetter__("value");

                                    npt.__defineGetter__("value", getter);
                                    npt.__defineSetter__("value", setter);
                                }
                                npt.inputmask.__valueGet = valueGet; //store native property getter
                                npt.inputmask.__valueSet = valueSet; //store native property setter
                            }
                            npt.inputmask._valueGet = function (overruleRTL) {
                                return isRTL && overruleRTL !== true ? valueGet.call(this.el).split("").reverse().join("") : valueGet.call(this.el);
                            };
                            npt.inputmask._valueSet = function (value, overruleRTL) { //null check is needed for IE8 => otherwise converts to "null"
                                valueSet.call(this.el, (value === null || value === undefined) ? "" : ((overruleRTL !== true && isRTL) ? value.split("").reverse().join("") : value));
                            };

                            if (valueGet === undefined) { //jquery.val fallback
                                valueGet = function () {
                                    return this.value;
                                };
                                valueSet = function (value) {
                                    this.value = value;
                                };
                                patchValhook(npt.type);
                                installNativeValueSetFallback(npt);
                            }
                        }
                    }

                    var elementType = input.getAttribute("type");
                    var isSupported = (input.tagName === "INPUT" && $.inArray(elementType, opts.supportsInputType) !== -1) || input.isContentEditable || input.tagName === "TEXTAREA";
                    if (!isSupported) {
                        if (input.tagName === "INPUT") {
                            var el = document.createElement("input");
                            el.setAttribute("type", elementType);
                            isSupported = el.type === "text"; //apply mask only if the type is not natively supported
                            el = null;
                        } else isSupported = "partial";
                    }
                    if (isSupported !== false) {
                        patchValueProperty(input);
                    }
                    return isSupported;
                }

                //unbind all events - to make sure that no other mask will interfere when re-masking
                EventRuler.off(elem);
                var isSupported = isElementTypeSupported(elem, opts);
                if (isSupported !== false) {
                    el = elem;
                    $el = $(el);

                    if (opts.colorMask === true) {
                        initializeColorMask(el);
                    }

                    if (android) {
                        if (el.hasOwnProperty("inputmode")) {
                            el.inputmode = opts.inputmode;
                            el.setAttribute("inputmode", opts.inputmode);
                        }
                        if (opts.androidHack === "rtfm") {
                            if (opts.colorMask !== true) {
                                initializeColorMask(el);
                            }
                            el.type = "password";
                        }
                    }

                    if (isSupported === true) {
                        //bind events
                        EventRuler.on(el, "submit", EventHandlers.submitEvent);
                        EventRuler.on(el, "reset", EventHandlers.resetEvent);

                        EventRuler.on(el, "mouseenter", EventHandlers.mouseenterEvent);
                        EventRuler.on(el, "blur", EventHandlers.blurEvent);
                        EventRuler.on(el, "focus", EventHandlers.focusEvent);
                        EventRuler.on(el, "mouseleave", EventHandlers.mouseleaveEvent);
                        if (opts.colorMask !== true) {
                            EventRuler.on(el, "click", EventHandlers.clickEvent);
                        }
                        EventRuler.on(el, "dblclick", EventHandlers.dblclickEvent);
                        EventRuler.on(el, "paste", EventHandlers.pasteEvent);
                        EventRuler.on(el, "dragdrop", EventHandlers.pasteEvent);
                        EventRuler.on(el, "drop", EventHandlers.pasteEvent);
                        EventRuler.on(el, "cut", EventHandlers.cutEvent);
                        EventRuler.on(el, "complete", opts.oncomplete);
                        EventRuler.on(el, "incomplete", opts.onincomplete);
                        EventRuler.on(el, "cleared", opts.oncleared);
                        if (!android && opts.inputEventOnly !== true) {
                            EventRuler.on(el, "keydown", EventHandlers.keydownEvent);
                            EventRuler.on(el, "keypress", EventHandlers.keypressEvent);
                        }
                        EventRuler.on(el, "compositionstart", $.noop);
                        EventRuler.on(el, "compositionupdate", $.noop);
                        EventRuler.on(el, "compositionend", $.noop);
                        EventRuler.on(el, "keyup", $.noop);
                        EventRuler.on(el, "input", EventHandlers.inputFallBackEvent);
                        EventRuler.on(el, "beforeinput", $.noop); //https://github.com/w3c/input-events - to implement
                    }
                    EventRuler.on(el, "setvalue", EventHandlers.setValueEvent);

                    //apply mask
                    undoValue = getBufferTemplate().join(""); //initialize the buffer and getmasklength
                    if (el.inputmask._valueGet(true) !== "" || opts.clearMaskOnLostFocus === false || document.activeElement === el) {
                        var initialValue = $.isFunction(opts.onBeforeMask) ? (opts.onBeforeMask(el.inputmask._valueGet(true), opts) || el.inputmask._valueGet(true)) : el.inputmask._valueGet(true);
                        if (initialValue !== "") checkVal(el, true, false, isRTL ? initialValue.split("").reverse() : initialValue.split(""));
                        var buffer = getBuffer().slice();
                        undoValue = buffer.join("");
                        // Wrap document.activeElement in a try/catch block since IE9 throw "Unspecified error" if document.activeElement is undefined when we are in an IFrame.
                        if (isComplete(buffer) === false) {
                            if (opts.clearIncomplete) {
                                resetMaskSet();
                            }
                        }
                        if (opts.clearMaskOnLostFocus && document.activeElement !== el) {
                            if (getLastValidPosition() === -1) {
                                buffer = [];
                            } else {
                                clearOptionalTail(buffer);
                            }
                        }
                        writeBuffer(el, buffer);
                        if (document.activeElement === el) { //position the caret when in focus
                            caret(el, seekNext(getLastValidPosition()));
                        }
                    }
                }
            }

//action object
            var valueBuffer;
            if (actionObj !== undefined) {
                switch (actionObj.action) {
                    case "isComplete":
                        el = actionObj.el;
                        return isComplete(getBuffer());
                    case "unmaskedvalue":
                        if (el === undefined || actionObj.value !== undefined) {
                            valueBuffer = actionObj.value;
                            valueBuffer = ($.isFunction(opts.onBeforeMask) ? (opts.onBeforeMask(valueBuffer, opts) || valueBuffer) : valueBuffer).split("");
                            checkVal(undefined, false, false, isRTL ? valueBuffer.reverse() : valueBuffer);
                            if ($.isFunction(opts.onBeforeWrite)) opts.onBeforeWrite(undefined, getBuffer(), 0, opts);
                        }
                        return unmaskedvalue(el);
                    case "mask":
                        mask(el);
                        break;
                    case "format":
                        valueBuffer = ($.isFunction(opts.onBeforeMask) ? (opts.onBeforeMask(actionObj.value, opts) || actionObj.value) : actionObj.value).split("");
                        checkVal(undefined, true, false, isRTL ? valueBuffer.reverse() : valueBuffer);
                        if (actionObj.metadata) {
                            return {
                                value: isRTL ? getBuffer().slice().reverse().join("") : getBuffer().join(""),
                                metadata: maskScope.call(this, {
                                    "action": "getmetadata"
                                }, maskset, opts)
                            };
                        }

                        return isRTL ? getBuffer().slice().reverse().join("") : getBuffer().join("");
                    case "isValid":
                        if (actionObj.value) {
                            valueBuffer = actionObj.value.split("");
                            checkVal(undefined, true, true, isRTL ? valueBuffer.reverse() : valueBuffer);
                        } else {
                            actionObj.value = getBuffer().join("");
                        }
                        var buffer = getBuffer();
                        var rl = determineLastRequiredPosition(),
                            lmib = buffer.length - 1;
                        for (; lmib > rl; lmib--) {
                            if (isMask(lmib)) break;
                        }
                        buffer.splice(rl, lmib + 1 - rl);

                        return isComplete(buffer) && actionObj.value === getBuffer().join("");
                    case "getemptymask":
                        return getBufferTemplate().join("");
                    case "remove":
                        if (el && el.inputmask) {
                            $el = $(el);
                            //writeout the value
                            el.inputmask._valueSet(opts.autoUnmask ? unmaskedvalue(el) : el.inputmask._valueGet(true));
                            //unbind all events
                            EventRuler.off(el);
                            //restore the value property
                            var valueProperty;
                            if (Object.getOwnPropertyDescriptor && Object.getPrototypeOf) {
                                valueProperty = Object.getOwnPropertyDescriptor(Object.getPrototypeOf(el), "value");
                                if (valueProperty) {
                                    if (el.inputmask.__valueGet) {
                                        Object.defineProperty(el, "value", {
                                            get: el.inputmask.__valueGet,
                                            set: el.inputmask.__valueSet,
                                            configurable: true
                                        });
                                    }
                                }
                            } else if (document.__lookupGetter__ && el.__lookupGetter__("value")) {
                                if (el.inputmask.__valueGet) {
                                    el.__defineGetter__("value", el.inputmask.__valueGet);
                                    el.__defineSetter__("value", el.inputmask.__valueSet);
                                }
                            }
                            //clear data
                            el.inputmask = undefined;
                        }
                        return el;
                        break;
                    case "getmetadata":
                        if ($.isArray(maskset.metadata)) {
                            var maskTarget = getMaskTemplate(true, 0, false).join("");
                            $.each(maskset.metadata, function (ndx, mtdt) {
                                if (mtdt.mask === maskTarget) {
                                    maskTarget = mtdt;
                                    return false;
                                }
                            });
                            return maskTarget;
                        }

                        return maskset.metadata;
                }
            }
        }

//make inputmask available
        return Inputmask;
    }
))
;