additional-methods.js 18.7 KB
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/*! jQuery Validation Plugin - v1.11.0 - 2/4/2013
* https://github.com/jzaefferer/jquery-validation
* Copyright (c) 2013 Jörn Zaefferer; Licensed MIT */

/*!
 * jQuery Validation Plugin 1.11.0
 *
 * http://bassistance.de/jquery-plugins/jquery-plugin-validation/
 * http://docs.jquery.com/Plugins/Validation
 *
 * Copyright 2013 Jörn Zaefferer
 * Released under the MIT license:
 *   http://www.opensource.org/licenses/mit-license.php
 */

(function() {

	function stripHtml(value) {
		// remove html tags and space chars
		return value.replace(/<.[^<>]*?>/g, ' ').replace(/&nbsp;|&#160;/gi, ' ')
		// remove punctuation
		.replace(/[.(),;:!?%#$'"_+=\/\-]*/g,'');
	}
	jQuery.validator.addMethod("maxWords", function(value, element, params) {
		return this.optional(element) || stripHtml(value).match(/\b\w+\b/g).length <= params;
	}, jQuery.validator.format("Please enter {0} words or less."));

	jQuery.validator.addMethod("minWords", function(value, element, params) {
		return this.optional(element) || stripHtml(value).match(/\b\w+\b/g).length >= params;
	}, jQuery.validator.format("Please enter at least {0} words."));

	jQuery.validator.addMethod("rangeWords", function(value, element, params) {
		var valueStripped = stripHtml(value);
		var regex = /\b\w+\b/g;
		return this.optional(element) || valueStripped.match(regex).length >= params[0] && valueStripped.match(regex).length <= params[1];
	}, jQuery.validator.format("Please enter between {0} and {1} words."));

}());

jQuery.validator.addMethod("letterswithbasicpunc", function(value, element) {
	return this.optional(element) || /^[a-z\-.,()'"\s]+$/i.test(value);
}, "Letters or punctuation only please");

jQuery.validator.addMethod("alphanumeric", function(value, element) {
	return this.optional(element) || /^\w+$/i.test(value);
}, "Letters, numbers, and underscores only please");

jQuery.validator.addMethod("lettersonly", function(value, element) {
	return this.optional(element) || /^[a-z]+$/i.test(value);
}, "Letters only please");

jQuery.validator.addMethod("nowhitespace", function(value, element) {
	return this.optional(element) || /^\S+$/i.test(value);
}, "No white space please");

jQuery.validator.addMethod("ziprange", function(value, element) {
	return this.optional(element) || /^90[2-5]\d\{2\}-\d{4}$/.test(value);
}, "Your ZIP-code must be in the range 902xx-xxxx to 905-xx-xxxx");

jQuery.validator.addMethod("zipcodeUS", function(value, element) {
	return this.optional(element) || /\d{5}-\d{4}$|^\d{5}$/.test(value);
}, "The specified US ZIP Code is invalid");

jQuery.validator.addMethod("integer", function(value, element) {
	return this.optional(element) || /^-?\d+$/.test(value);
}, "A positive or negative non-decimal number please");

/**
 * Return true, if the value is a valid vehicle identification number (VIN).
 *
 * Works with all kind of text inputs.
 *
 * @example <input type="text" size="20" name="VehicleID" class="{required:true,vinUS:true}" />
 * @desc Declares a required input element whose value must be a valid vehicle identification number.
 *
 * @name jQuery.validator.methods.vinUS
 * @type Boolean
 * @cat Plugins/Validate/Methods
 */
jQuery.validator.addMethod("vinUS", function(v) {
	if (v.length !== 17) {
		return false;
	}
	var i, n, d, f, cd, cdv;
	var LL = ["A","B","C","D","E","F","G","H","J","K","L","M","N","P","R","S","T","U","V","W","X","Y","Z"];
	var VL = [1,2,3,4,5,6,7,8,1,2,3,4,5,7,9,2,3,4,5,6,7,8,9];
	var FL = [8,7,6,5,4,3,2,10,0,9,8,7,6,5,4,3,2];
	var rs = 0;
	for(i = 0; i < 17; i++){
		f = FL[i];
		d = v.slice(i,i+1);
		if (i === 8) {
			cdv = d;
		}
		if (!isNaN(d)) {
			d *= f;
		} else {
			for (n = 0; n < LL.length; n++) {
				if (d.toUpperCase() === LL[n]) {
					d = VL[n];
					d *= f;
					if (isNaN(cdv) && n === 8) {
						cdv = LL[n];
					}
					break;
				}
			}
		}
		rs += d;
	}
	cd = rs % 11;
	if (cd === 10) {
		cd = "X";
	}
	if (cd === cdv) {
		return true;
	}
	return false;
}, "The specified vehicle identification number (VIN) is invalid.");

/**
 * Return true, if the value is a valid date, also making this formal check dd/mm/yyyy.
 *
 * @example jQuery.validator.methods.date("01/01/1900")
 * @result true
 *
 * @example jQuery.validator.methods.date("01/13/1990")
 * @result false
 *
 * @example jQuery.validator.methods.date("01.01.1900")
 * @result false
 *
 * @example <input name="pippo" class="{dateITA:true}" />
 * @desc Declares an optional input element whose value must be a valid date.
 *
 * @name jQuery.validator.methods.dateITA
 * @type Boolean
 * @cat Plugins/Validate/Methods
 */
jQuery.validator.addMethod("dateITA", function(value, element) {
	var check = false;
	var re = /^\d{1,2}\/\d{1,2}\/\d{4}$/;
	if( re.test(value)) {
		var adata = value.split('/');
		var gg = parseInt(adata[0],10);
		var mm = parseInt(adata[1],10);
		var aaaa = parseInt(adata[2],10);
		var xdata = new Date(aaaa,mm-1,gg);
		if ( ( xdata.getFullYear() === aaaa ) && ( xdata.getMonth() === mm - 1 ) && ( xdata.getDate() === gg ) ){
			check = true;
		} else {
			check = false;
		}
	} else {
		check = false;
	}
	return this.optional(element) || check;
}, "Please enter a correct date");

jQuery.validator.addMethod("dateNL", function(value, element) {
	return this.optional(element) || /^(0?[1-9]|[12]\d|3[01])[\.\/\-](0?[1-9]|1[012])[\.\/\-]([12]\d)?(\d\d)$/.test(value);
}, "Vul hier een geldige datum in.");

jQuery.validator.addMethod("time", function(value, element) {
	return this.optional(element) || /^([01]\d|2[0-3])(:[0-5]\d){1,2}$/.test(value);
}, "Please enter a valid time, between 00:00 and 23:59");
jQuery.validator.addMethod("time12h", function(value, element) {
	return this.optional(element) || /^((0?[1-9]|1[012])(:[0-5]\d){1,2}( ?[AP]M))$/i.test(value);
}, "Please enter a valid time in 12-hour format");

/**
 * matches US phone number format
 *
 * where the area code may not start with 1 and the prefix may not start with 1
 * allows '-' or ' ' as a separator and allows parens around area code
 * some people may want to put a '1' in front of their number
 *
 * 1(212)-999-2345 or
 * 212 999 2344 or
 * 212-999-0983
 *
 * but not
 * 111-123-5434
 * and not
 * 212 123 4567
 */
jQuery.validator.addMethod("phoneUS", function(phone_number, element) {
	phone_number = phone_number.replace(/\s+/g, "");
	return this.optional(element) || phone_number.length > 9 &&
		phone_number.match(/^(\+?1-?)?(\([2-9]\d{2}\)|[2-9]\d{2})-?[2-9]\d{2}-?\d{4}$/);
}, "Please specify a valid phone number");

jQuery.validator.addMethod('phoneUK', function(phone_number, element) {
	phone_number = phone_number.replace(/\(|\)|\s+|-/g,'');
	return this.optional(element) || phone_number.length > 9 &&
		phone_number.match(/^(?:(?:(?:00\s?|\+)44\s?)|(?:\(?0))(?:(?:\d{5}\)?\s?\d{4,5})|(?:\d{4}\)?\s?(?:\d{5}|\d{3}\s?\d{3}))|(?:\d{3}\)?\s?\d{3}\s?\d{3,4})|(?:\d{2}\)?\s?\d{4}\s?\d{4}))$/);
}, 'Please specify a valid phone number');

jQuery.validator.addMethod('mobileUK', function(phone_number, element) {
	phone_number = phone_number.replace(/\s+|-/g,'');
	return this.optional(element) || phone_number.length > 9 &&
		phone_number.match(/^(?:(?:(?:00\s?|\+)44\s?|0)7(?:[45789]\d{2}|624)\s?\d{3}\s?\d{3})$/);
}, 'Please specify a valid mobile number');

//Matches UK landline + mobile, accepting only 01-3 for landline or 07 for mobile to exclude many premium numbers
jQuery.validator.addMethod('phonesUK', function(phone_number, element) {
	phone_number = phone_number.replace(/\s+|-/g,'');
	return this.optional(element) || phone_number.length > 9 &&
		phone_number.match(/^(?:(?:(?:00\s?|\+)44\s?|0)(?:1\d{8,9}|[23]\d{9}|7(?:[45789]\d{8}|624\d{6})))$/);
}, 'Please specify a valid uk phone number');
// On the above three UK functions, do the following server side processing:
//  Compare with ^((?:00\s?|\+)(44)\s?)?\(?0?(?:\)\s?)?([1-9]\d{1,4}\)?[\d\s]+)
//  Extract $2 and set $prefix to '+44<space>' if $2 is '44' otherwise set $prefix to '0'
//  Extract $3 and remove spaces and parentheses. Phone number is combined $2 and $3.
// A number of very detailed GB telephone number RegEx patterns can also be found at:
// http://www.aa-asterisk.org.uk/index.php/Regular_Expressions_for_Validating_and_Formatting_UK_Telephone_Numbers

//Matches UK postcode. based on http://snipplr.com/view/3152/postcode-validation/
jQuery.validator.addMethod('postcodeUK', function(postcode, element) {
	postcode = (postcode.toUpperCase()).replace(/\s+/g,'');
	return this.optional(element) || postcode.match(/^([^QZ][^IJZ]{0,1}\d{1,2})(\d[^CIKMOV]{2})$/) || postcode.match(/^([^QV]\d[ABCDEFGHJKSTUW])(\d[^CIKMOV]{2})$/) || postcode.match(/^([^QV][^IJZ]\d[ABEHMNPRVWXY])(\d[^CIKMOV]{2})$/) || postcode.match(/^(GIR)(0AA)$/) || postcode.match(/^(BFPO)(\d{1,4})$/) || postcode.match(/^(BFPO)(C\/O\d{1,3})$/);
}, 'Please specify a valid postcode');

// TODO check if value starts with <, otherwise don't try stripping anything
jQuery.validator.addMethod("strippedminlength", function(value, element, param) {
	return jQuery(value).text().length >= param;
}, jQuery.validator.format("Please enter at least {0} characters"));

// same as email, but TLD is optional
jQuery.validator.addMethod("email2", function(value, element, param) {
	return this.optional(element) || /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)*(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i.test(value);
}, jQuery.validator.messages.email);

// same as url, but TLD is optional
jQuery.validator.addMethod("url2", function(value, element, param) {
	return this.optional(element) || /^(https?|ftp):\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)*(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i.test(value);
}, jQuery.validator.messages.url);

// NOTICE: Modified version of Castle.Components.Validator.CreditCardValidator
// Redistributed under the the Apache License 2.0 at http://www.apache.org/licenses/LICENSE-2.0
// Valid Types: mastercard, visa, amex, dinersclub, enroute, discover, jcb, unknown, all (overrides all other settings)
jQuery.validator.addMethod("creditcardtypes", function(value, element, param) {
	if (/[^0-9\-]+/.test(value)) {
		return false;
	}

	value = value.replace(/\D/g, "");

	var validTypes = 0x0000;

	if (param.mastercard) {
		validTypes |= 0x0001;
	}
	if (param.visa) {
		validTypes |= 0x0002;
	}
	if (param.amex) {
		validTypes |= 0x0004;
	}
	if (param.dinersclub) {
		validTypes |= 0x0008;
	}
	if (param.enroute) {
		validTypes |= 0x0010;
	}
	if (param.discover) {
		validTypes |= 0x0020;
	}
	if (param.jcb) {
		validTypes |= 0x0040;
	}
	if (param.unknown) {
		validTypes |= 0x0080;
	}
	if (param.all) {
		validTypes = 0x0001 | 0x0002 | 0x0004 | 0x0008 | 0x0010 | 0x0020 | 0x0040 | 0x0080;
	}
	if (validTypes & 0x0001 && /^(5[12345])/.test(value)) { //mastercard
		return value.length === 16;
	}
	if (validTypes & 0x0002 && /^(4)/.test(value)) { //visa
		return value.length === 16;
	}
	if (validTypes & 0x0004 && /^(3[47])/.test(value)) { //amex
		return value.length === 15;
	}
	if (validTypes & 0x0008 && /^(3(0[012345]|[68]))/.test(value)) { //dinersclub
		return value.length === 14;
	}
	if (validTypes & 0x0010 && /^(2(014|149))/.test(value)) { //enroute
		return value.length === 15;
	}
	if (validTypes & 0x0020 && /^(6011)/.test(value)) { //discover
		return value.length === 16;
	}
	if (validTypes & 0x0040 && /^(3)/.test(value)) { //jcb
		return value.length === 16;
	}
	if (validTypes & 0x0040 && /^(2131|1800)/.test(value)) { //jcb
		return value.length === 15;
	}
	if (validTypes & 0x0080) { //unknown
		return true;
	}
	return false;
}, "Please enter a valid credit card number.");

jQuery.validator.addMethod("ipv4", function(value, element, param) {
	return this.optional(element) || /^(25[0-5]|2[0-4]\d|[01]?\d\d?)\.(25[0-5]|2[0-4]\d|[01]?\d\d?)\.(25[0-5]|2[0-4]\d|[01]?\d\d?)\.(25[0-5]|2[0-4]\d|[01]?\d\d?)$/i.test(value);
}, "Please enter a valid IP v4 address.");

jQuery.validator.addMethod("ipv6", function(value, element, param) {
	return this.optional(element) || /^((([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})|(([0-9A-Fa-f]{1,4}:){5}:([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){4}:([0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){3}:([0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){2}:([0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(([0-9A-Fa-f]{1,4}:){0,5}:((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(::([0-9A-Fa-f]{1,4}:){0,5}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|([0-9A-Fa-f]{1,4}::([0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})|(::([0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){1,7}:))$/i.test(value);
}, "Please enter a valid IP v6 address.");

/**
* Return true if the field value matches the given format RegExp
*
* @example jQuery.validator.methods.pattern("AR1004",element,/^AR\d{4}$/)
* @result true
*
* @example jQuery.validator.methods.pattern("BR1004",element,/^AR\d{4}$/)
* @result false
*
* @name jQuery.validator.methods.pattern
* @type Boolean
* @cat Plugins/Validate/Methods
*/
jQuery.validator.addMethod("pattern", function(value, element, param) {
	if (this.optional(element)) {
		return true;
	}
	if (typeof param === 'string') {
		param = new RegExp('^(?:' + param + ')$');
	}
	return param.test(value);
}, "Invalid format.");


/*
 * Lets you say "at least X inputs that match selector Y must be filled."
 *
 * The end result is that neither of these inputs:
 *
 *  <input class="productinfo" name="partnumber">
 *  <input class="productinfo" name="description">
 *
 *  ...will validate unless at least one of them is filled.
 *
 * partnumber:  {require_from_group: [1,".productinfo"]},
 * description: {require_from_group: [1,".productinfo"]}
 *
 */
jQuery.validator.addMethod("require_from_group", function(value, element, options) {
	var validator = this;
	var selector = options[1];
	var validOrNot = $(selector, element.form).filter(function() {
		return validator.elementValue(this);
	}).length >= options[0];

	if(!$(element).data('being_validated')) {
		var fields = $(selector, element.form);
		fields.data('being_validated', true);
		fields.valid();
		fields.data('being_validated', false);
	}
	return validOrNot;
}, jQuery.format("Please fill at least {0} of these fields."));

/*
 * Lets you say "either at least X inputs that match selector Y must be filled,
 * OR they must all be skipped (left blank)."
 *
 * The end result, is that none of these inputs:
 *
 *  <input class="productinfo" name="partnumber">
 *  <input class="productinfo" name="description">
 *  <input class="productinfo" name="color">
 *
 *  ...will validate unless either at least two of them are filled,
 *  OR none of them are.
 *
 * partnumber:  {skip_or_fill_minimum: [2,".productinfo"]},
 *  description: {skip_or_fill_minimum: [2,".productinfo"]},
 * color:       {skip_or_fill_minimum: [2,".productinfo"]}
 *
 */
jQuery.validator.addMethod("skip_or_fill_minimum", function(value, element, options) {
	var validator = this;
	var numberRequired = options[0];
	var selector = options[1];
	var numberFilled = $(selector, element.form).filter(function() {
		return validator.elementValue(this);
	}).length;
	var valid = numberFilled >= numberRequired || numberFilled === 0;

	if(!$(element).data('being_validated')) {
		var fields = $(selector, element.form);
		fields.data('being_validated', true);
		fields.valid();
		fields.data('being_validated', false);
	}
	return valid;
}, jQuery.format("Please either skip these fields or fill at least {0} of them."));

// Accept a value from a file input based on a required mimetype
jQuery.validator.addMethod("accept", function(value, element, param) {
	// Split mime on commas in case we have multiple types we can accept
	var typeParam = typeof param === "string" ? param.replace(/\s/g, '').replace(/,/g, '|') : "image/*",
	optionalValue = this.optional(element),
	i, file;

	// Element is optional
	if (optionalValue) {
		return optionalValue;
	}

	if ($(element).attr("type") === "file") {
		// If we are using a wildcard, make it regex friendly
		typeParam = typeParam.replace(/\*/g, ".*");

		// Check if the element has a FileList before checking each file
		if (element.files && element.files.length) {
			for (i = 0; i < element.files.length; i++) {
				file = element.files[i];

				// Grab the mimtype from the loaded file, verify it matches
				if (!file.type.match(new RegExp( ".?(" + typeParam + ")$", "i"))) {
					return false;
				}
			}
		}
	}

	// Either return true because we've validated each file, or because the
	// browser does not support element.files and the FileList feature
	return true;
}, jQuery.format("Please enter a value with a valid mimetype."));

// Older "accept" file extension method. Old docs: http://docs.jquery.com/Plugins/Validation/Methods/accept
jQuery.validator.addMethod("extension", function(value, element, param) {
	param = typeof param === "string" ? param.replace(/,/g, '|') : "png|jpe?g|gif";
	return this.optional(element) || value.match(new RegExp(".(" + param + ")$", "i"));
}, jQuery.format("Please enter a value with a valid extension."));