between.js

(function($) {
    $.fn.bootstrapValidator.validators.between = {
        /**
         * Return true if the input value is between (strictly or not) two given numbers
         *
         * @param {BootstrapValidator} validator The validator plugin instance
         * @param {jQuery} $field Field element
         * @param {Object} options Can consist of the following keys:
         * - min
         * - max
         * - inclusive [optional]: Can be true or false. Default is true
         * - message: The invalid message
         * @returns {Boolean}
         */
        validate: function(validator, $field, options) {
            var value = $field.val();
            if (value == '') {
                return true;
            }

            value = parseFloat(value);
            return (options.inclusive === true)
                        ? (value > options.min && value < options.max)
                        : (value >= options.min && value <= options.max);
        }
    };
}(window.jQuery));