Add digits validator

demo/all.html

@@ -12,6 +12,7 @@
     <script type="text/javascript" src="../vendor/jquery/jquery-1.10.2.min.js"></script>
     <script type="text/javascript" src="../vendor/bootstrap/js/bootstrap.min.js"></script>
     <script type="text/javascript" src="../src/js/bootstrapValidate.js"></script>
+    <script type="text/javascript" src="../src/js/validator/digits.js"></script>
     <script type="text/javascript" src="../src/js/validator/emailAddress.js"></script>
     <script type="text/javascript" src="../src/js/validator/identical.js"></script>
     <script type="text/javascript" src="../src/js/validator/notEmpty.js"></script>
@@ -30,7 +31,7 @@
                 <div class="col-lg-8 col-lg-offset-2">
                     <form id="defaultForm" method="post" class="form-horizontal">
                         <fieldset>
-                            <legend>notEmpty validator</legend>
+                            <legend>Not Empty validator</legend>
 
                             <div class="form-group">
                                 <label class="col-lg-3 control-label">Username</label>
@@ -49,17 +50,25 @@
                         </fieldset>
 
                         <fieldset>
-                            <legend>emailAddress validator</legend>
+                            <legend>Regular expression based validators</legend>
+
                             <div class="form-group">
-                                <label class="col-lg-3 control-label">Email</label>
+                                <label class="col-lg-3 control-label">Email address</label>
                                 <div class="col-lg-5">
                                     <input type="text" class="form-control" name="email" />
                                 </div>
                             </div>
+
+                            <div class="form-group">
+                                <label class="col-lg-3 control-label">Phone number</label>
+                                <div class="col-lg-5">
+                                    <input type="text" class="form-control" name="phoneNumber" />
+                                </div>
+                            </div>
                         </fieldset>
 
                         <fieldset>
-                            <legend>identical validator</legend>
+                            <legend>Identical validator</legend>
 
                             <div class="form-group">
                                 <label class="col-lg-3 control-label">Password</label>
@@ -126,6 +135,13 @@ $(document).ready(function() {
                     }
                 }
             },
+            phoneNumber: {
+                validator: {
+                    digits: {
+                        message: 'The value can contain only digits'
+                    }
+                }
+            },
             password: {
                 validator: {
                     notEmpty: {

src/js/validator/digits.js

@@ -0,0 +1,17 @@
+(function($) {
+    $.extend($.bootstrapValidator.validator, {
+        digits: {
+            /**
+             * Return true if the input value contains digits only
+             *
+             * @param {bootstrapValidator} validateInstance Validate plugin instance
+             * @param {HTMLElement} element
+             * @param {Object} options
+             * @returns {boolean}
+             */
+            validate: function(validateInstance, element, options) {
+                return /^\d+$/.test($(element).val());
+            }
+        }
+    });
+}(window.jQuery));