ip.js

(function($) {
    $.fn.bootstrapValidator.i18n.ip = $.extend($.fn.bootstrapValidator.i18n.ip || {}, {
        'default': 'Please enter a valid IP address',
        ipv4: 'Please enter a valid IPv4 address',
        ipv6: 'Please enter a valid IPv6 address'
    });

    $.fn.bootstrapValidator.validators.ip = {
        html5Attributes: {
            message: 'message',
            ipv4: 'ipv4',
            ipv6: 'ipv6'
        },

        /**
         * Return true if the input value is a IP address.
         *
         * @param {BootstrapValidator} validator The validator plugin instance
         * @param {jQuery} $field Field element
         * @param {Object} options Can consist of the following keys:
         * - ipv4: Enable IPv4 validator, default to true
         * - ipv6: Enable IPv6 validator, default to true
         * - message: The invalid message
         * @returns {Boolean|Object}
         */
        validate: function(validator, $field, options) {
            var value = $field.val();
            if (value === '') {
                return true;
            }
            options = $.extend({}, { ipv4: true, ipv6: true }, options);

            var ipv4Regex = /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/,
                ipv6Regex = /^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$/,
                valid     = false,
                message;

            switch (true) {
                case (options.ipv4 && !options.ipv6):
                    valid   = ipv4Regex.test(value);
                    message = options.message || $.fn.bootstrapValidator.i18n.ip.ipv4;
                    break;

                case (!options.ipv4 && options.ipv6):
                    valid   = ipv6Regex.test(value);
                    message = options.message || $.fn.bootstrapValidator.i18n.ip.ipv6;
                    break;

                case (options.ipv4 && options.ipv6):
                /* falls through */
                default:
                    valid   = ipv4Regex.test(value) || ipv6Regex.test(value);
                    message = options.message || $.fn.bootstrapValidator.i18n.ip['default'];
                    break;
            }

            return {
                valid: valid,
                message: message
            };
        }
    };
}(window.jQuery));