bootstrapvalidator/src/js/validator/id.js

(function($) {
    $.fn.bootstrapValidator.validators.id = {
        html5Attributes: {
            message: 'message',
            country: 'country'
        },

        /**
         * Validate identification number in different countries
         *
         * @param {BootstrapValidator} validator The validator plugin instance
         * @param {jQuery} $field Field element
         * @param {Object} options Consist of key:
         * - message: The invalid message
         * - country: The ISO 3166-1 country code
         * @returns {Boolean}
         */
        validate: function(validator, $field, options) {
            var value = $field.val();
            if (value == '') {
                return true;
            }

            var country = options.country || value.substr(0, 2),
                method  = ['_', country.toLowerCase()].join('');
            if (this[method] && 'function' == typeof this[method]) {
                return this[method](value);
            }

            return true;
        },

        /**
         * Validate Brazilian ID (CFP)
         * Examples:
         * - Valid: 39053344705, 390.533.447-05, 111.444.777-35
         * - Invalid: 231.002.999-00
         *
         * @see http://en.wikipedia.org/wiki/Cadastro_de_Pessoas_F%C3%ADsicas
         * @param {String} value The ID
         * @returns {Boolean}
         */
        _br: function(value) {
            if (/^1{11}|2{11}|3{11}|4{11}|5{11}|6{11}|7{11}|8{11}|9{11}|0{11}$/.test(value)) {
                return false;
            }
            if (!/^\d{11}$/.test(value) && !/^\d{3}\.\d{3}\.\d{3}-\d{2}$/.test(value)) {
                return false;
            }
            value = value.replace(/\./g, '').replace(/-/g, '');

            var d1 = 0;
            for (var i = 0; i < 9; i++) {
                d1 += (10 - i) * parseInt(value.charAt(i));
            }
            d1 = 11 - d1 % 11;
            if (d1 == 10 || d1 == 11) {
                d1 = 0;
            }
            if (d1 != value.charAt(9)) {
                return false;
            }

            var d2 = 0;
            for (i = 0; i < 10; i++) {
                d2 += (11 - i) * parseInt(value.charAt(i));
            }
            d2 = 11 - d2 % 11;
            if (d2 == 10 || d2 == 11) {
                d2 = 0;
            }

            return (d2 == value.charAt(10));
        }
    };
}(window.jQuery));