jquery.validate.js

Posted 2020-10-16

/*
* jQuery validation plug-in 1.5.2
*
* http://bassistance.de/jquery-plugins/jquery-plugin-validation/
* http://docs.jquery.com/Plugins/Validation
*
* Copyright (c) 2006 - 2008 Jörn Zaefferer
*
* $Id: jquery.validate.js 6243 2009-02-19 11:40:49Z joern.zaefferer $
*
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*/

(function($) {

$.extend($.fn, {
// http://docs.jquery.com/Plugins/Validation/validate
validate: function( options ) {

// if nothing is selected, return nothing; can‘t chain anyway
if (!this.length) {
options && options.debug && window.console && console.warn( "nothing selected, can‘t validate, returning nothing" );
return;
}

// check if a validator for this form was already created
var validator = $.data(this[0], ‘validator‘);
if ( validator ) {
return validator;
}

validator = new $.validator( options, this[0] );
$.data(this[0], ‘validator‘, validator);

if ( validator.settings.onsubmit ) {

// allow suppresing validation by adding a cancel class to the submit button
this.find("input, button").filter(".cancel").click(function() {
validator.cancelSubmit = true;
});

// validate the form on submit
this.submit( function( event ) {
if ( validator.settings.debug )
// prevent form submit to be able to see console output
event.preventDefault();

function handle() {
if ( validator.settings.submitHandler ) {
validator.settings.submitHandler.call( validator, validator.currentForm );
return false;
}
return true;
}

// prevent submit for invalid forms or custom submit handlers
if ( validator.cancelSubmit ) {
validator.cancelSubmit = false;
return handle();
}
if ( validator.form() ) {
if ( validator.pendingRequest ) {
validator.formSubmitted = true;
return false;
}
return handle();
} else {
validator.focusInvalid();
return false;
}
});
}

return validator;
},
// http://docs.jquery.com/Plugins/Validation/valid
valid: function() {
if ( $(this[0]).is(‘form‘)) {
return this.validate().form();
} else {
var valid = false;
var validator = $(this[0].form).validate();
this.each(function() {
valid |= validator.element(this);
});
return valid;
}
},
// attributes: space seperated list of attributes to retrieve and remove
removeAttrs: function(attributes) {
var result = {},
$element = this;
$.each(attributes.split(/\s/), function(index, value) {
result[value] = $element.attr(value);
$element.removeAttr(value);
});
return result;
},
// http://docs.jquery.com/Plugins/Validation/rules
rules: function(command, argument) {
var element = this[0];

if (command) {
var settings = $.data(element.form, ‘validator‘).settings;
var staticRules = settings.rules;
var existingRules = $.validator.staticRules(element);
switch(command) {
case "add":
$.extend(existingRules, $.validator.normalizeRule(argument));
staticRules[element.name] = existingRules;
if (argument.messages)
settings.messages[element.name] = $.extend( settings.messages[element.name], argument.messages );
break;
case "remove":
if (!argument) {
delete staticRules[element.name];
return existingRules;
}
var filtered = {};
$.each(argument.split(/\s/), function(index, method) {
filtered[method] = existingRules[method];
delete existingRules[method];
});
return filtered;
}
}

var data = $.validator.normalizeRules(
$.extend(
{},
$.validator.metadataRules(element),
$.validator.classRules(element),
$.validator.attributeRules(element),
$.validator.staticRules(element)
), element);

// make sure required is at front
if (data.required) {
var param = data.required;
delete data.required;
data = $.extend({required: param}, data);
}

return data;
}
});

// Custom selectors
$.extend($.expr[":"], {
// http://docs.jquery.com/Plugins/Validation/blank
blank: function(a) {return !$.trim(a.value);},
// http://docs.jquery.com/Plugins/Validation/filled
filled: function(a) {return !!$.trim(a.value);},
// http://docs.jquery.com/Plugins/Validation/unchecked
unchecked: function(a) {return !a.checked;}
});

$.format = function(source, params) {
if ( arguments.length == 1 )
return function() {
var args = $.makeArray(arguments);
args.unshift(source);
return $.format.apply( this, args );
};
if ( arguments.length > 2 && params.constructor != Array ) {
params = $.makeArray(arguments).slice(1);
}
if ( params.constructor != Array ) {
params = [ params ];
}
$.each(params, function(i, n) {
source = source.replace(new RegExp("\\{" + i + "\\}", "g"), n);
});
return source;
};

// constructor for validator
$.validator = function( options, form ) {
this.settings = $.extend( {}, $.validator.defaults, options );
this.currentForm = form;
this.init();
};

$.extend($.validator, {

defaults: {
messages: {},
groups: {},
rules: {},
errorClass: "error",
errorElement: "label",
focusInvalid: true,
errorContainer: $( [] ),
errorLabelContainer: $( [] ),
onsubmit: true,
ignore: [],
ignoreTitle: false,
onfocusin: function(element) {
this.lastActive = element;

// hide error label and remove error class on focus if enabled
if ( this.settings.focusCleanup && !this.blockFocusCleanup ) {
this.settings.unhighlight && this.settings.unhighlight.call( this, element, this.settings.errorClass );
this.errorsFor(element).hide();
}
},
onfocusout: function(element) {
if ( !this.checkable(element) && (element.name in this.submitted || !this.optional(element)) ) {
this.element(element);
}
},
onkeyup: function(element) {
if ( element.name in this.submitted || element == this.lastElement ) {
this.element(element);
}
},
onclick: function(element) {
if ( element.name in this.submitted )
this.element(element);
},
highlight: function( element, errorClass ) {
$( element ).addClass( errorClass );
},
unhighlight: function( element, errorClass ) {
$( element ).removeClass( errorClass );
}
},

// http://docs.jquery.com/Plugins/Validation/Validator/setDefaults
setDefaults: function(settings) {
$.extend( $.validator.defaults, settings );
},

messages: {
required: "This field is required.",
remote: "Please fix this field.",
email: "Please enter a valid email address.",
url: "Please enter a valid URL.",
date: "Please enter a valid date.",
dateISO: "Please enter a valid date (ISO).",
dateDE: "Bitte geben Sie ein gültiges Datum ein.",
number: "Please enter a valid number.",
numberDE: "Bitte geben Sie eine Nummer ein.",
digits: "Please enter only digits",
creditcard: "Please enter a valid credit card number.",
equalTo: "Please enter the same value again.",
accept: "Please enter a value with a valid extension.",
maxlength: $.format("Please enter no more than {0} characters."),
minlength: $.format("Please enter at least {0} characters."),
rangelength: $.format("Please enter a value between {0} and {1} characters long."),
range: $.format("Please enter a value between {0} and {1}."),
max: $.format("Please enter a value less than or equal to {0}."),
min: $.format("Please enter a value greater than or equal to {0}.")
},

autoCreateRanges: false,

prototype: {

init: function() {
this.labelContainer = $(this.settings.errorLabelContainer);
this.errorContext = this.labelContainer.length && this.labelContainer || $(this.currentForm);
this.containers = $(this.settings.errorContainer).add( this.settings.errorLabelContainer );
this.submitted = {};
this.valueCache = {};
this.pendingRequest = 0;
this.pending = {};
this.invalid = {};
this.reset();

var groups = (this.groups = {});
$.each(this.settings.groups, function(key, value) {
$.each(value.split(/\s/), function(index, name) {
groups[name] = key;
});
});
var rules = this.settings.rules;
$.each(rules, function(key, value) {
rules[key] = $.validator.normalizeRule(value);
});

function delegate(event) {
var validator = $.data(this[0].form, "validator");
validator.settings["on" + event.type] && validator.settings["on" + event.type].call(validator, this[0] );
}
$(this.currentForm)
.delegate("focusin focusout keyup", ":text, :password, :file, select, textarea", delegate)
.delegate("click", ":radio, :checkbox", delegate);

if (this.settings.invalidHandler)
$(this.currentForm).bind("invalid-form.validate", this.settings.invalidHandler);
},

// http://docs.jquery.com/Plugins/Validation/Validator/form
form: function() {
this.checkForm();
$.extend(this.submitted, this.errorMap);
this.invalid = $.extend({}, this.errorMap);
if (!this.valid())
$(this.currentForm).triggerHandler("invalid-form", [this]);
this.showErrors();
return this.valid();
},

checkForm: function() {
this.prepareForm();
for ( var i = 0, elements = (this.currentElements = this.elements()); elements[i]; i++ ) {
this.check( elements[i] );
}
return this.valid();
},

// http://docs.jquery.com/Plugins/Validation/Validator/element
element: function( element ) {
element = this.clean( element );
this.lastElement = element;
this.prepareElement( element );
this.currentElements = $(element);
var result = this.check( element );
if ( result ) {
delete this.invalid[element.name];
} else {
this.invalid[element.name] = true;
}
if ( !this.numberOfInvalids() ) {
// Hide error containers on last error
this.toHide = this.toHide.add( this.containers );
}
this.showErrors();
return result;
},

// http://docs.jquery.com/Plugins/Validation/Validator/showErrors
showErrors: function(errors) {
if(errors) {
// add items to error list and map
$.extend( this.errorMap, errors );
this.errorList = [];
for ( var name in errors ) {
this.errorList.push({
message: errors[name],
element: this.findByName(name)[0]
});
}
// remove items from success list
this.successList = $.grep( this.successList, function(element) {
return !(element.name in errors);
});
}
this.settings.showErrors
? this.settings.showErrors.call( this, this.errorMap, this.errorList )
: this.defaultShowErrors();
},

// http://docs.jquery.com/Plugins/Validation/Validator/resetForm
resetForm: function() {
if ( $.fn.resetForm )
$( this.currentForm ).resetForm();
this.submitted = {};
this.prepareForm();
this.hideErrors();
this.elements().removeClass( this.settings.errorClass );
},

numberOfInvalids: function() {
return this.objectLength(this.invalid);
},

objectLength: function( obj ) {
var count = 0;
for ( var i in obj )
count++;
return count;
},

hideErrors: function() {
this.addWrapper( this.toHide ).hide();
},

valid: function() {
return this.size() == 0;
},

size: function() {
return this.errorList.length;
},

focusInvalid: function() {
if( this.settings.focusInvalid ) {
try {
$(this.findLastActive() || this.errorList.length && this.errorList[0].element || []).filter(":visible").focus();
} catch(e) {
// ignore IE throwing errors when focusing hidden elements
}
}
},

findLastActive: function() {
var lastActive = this.lastActive;
return lastActive && $.grep(this.errorList, function(n) {
return n.element.name == lastActive.name;
}).length == 1 && lastActive;
},

elements: function() {
var validator = this,
rulesCache = {};

// select all valid inputs inside the form (no submit or reset buttons)
// workaround $Query([]).add until http://dev.jquery.com/ticket/2114 is solved
return $([]).add(this.currentForm.elements)
.filter(":input")
.not(":submit, :reset, :image, [disabled]")
.not( this.settings.ignore )
.filter(function() {
!this.name && validator.settings.debug && window.console && console.error( "%o has no name assigned", this);

// select only the first element for each name, and only those with rules specified
if ( this.name in rulesCache || !validator.objectLength($(this).rules()) )
return false;

rulesCache[this.name] = true;
return true;
});
},

clean: function( selector ) {
return $( selector )[0];
},

errors: function() {
return $( this.settings.errorElement + "." + this.settings.errorClass, this.errorContext );
},

reset: function() {
this.successList = [];
this.errorList = [];
this.errorMap = {};
this.toShow = $([]);
this.toHide = $([]);
this.formSubmitted = false;
this.currentElements = $([]);
},

prepareForm: function() {
this.reset();
this.toHide = this.errors().add( this.containers );
},

prepareElement: function( element ) {
this.reset();
this.toHide = this.errorsFor(element);
},

check: function( element ) {
element = this.clean( element );

// if radio/checkbox, validate first element in group instead
if (this.checkable(element)) {
element = this.findByName( element.name )[0];
}

var rules = $(element).rules();
var dependencyMismatch = false;
for( method in rules ) {
var rule = { method: method, parameters: rules[method] };
try {
var result = $.validator.methods[method].call( this, element.value.replace(/\r/g, ""), element, rule.parameters );

// if a method indicates that the field is optional and therefore valid,
// don‘t mark it as valid when there are no other rules
if ( result == "dependency-mismatch" ) {
dependencyMismatch = true;
continue;
}
dependencyMismatch = false;

if ( result == "pending" ) {
this.toHide = this.toHide.not( this.errorsFor(element) );
return;
}

if( !result ) {
this.formatAndAdd( element, rule );
return false;
}
} catch(e) {
this.settings.debug && window.console && console.log("exception occured when checking element " + element.id
+ ", check the ‘" + rule.method + "‘ method");
throw e;
}
}
if (dependencyMismatch)
return;
if ( this.objectLength(rules) )
this.successList.push(element);
return true;
},

// return the custom message for the given element and validation method
// specified in the element‘s "messages" metadata
customMetaMessage: function(element, method) {
if (!$.metadata)
return;

var meta = this.settings.meta
? $(element).metadata()[this.settings.meta]
: $(element).metadata();

return meta && meta.messages && meta.messages[method];
},

// return the custom message for the given element name and validation method
customMessage: function( name, method ) {
var m = this.settings.messages[name];
return m && (m.constructor == String
? m
: m[method]);
},

// return the first defined argument, allowing empty strings
findDefined: function() {
for(var i = 0; i < arguments.length; i++) {
if (arguments[i] !== undefined)
return arguments[i];
}
return undefined;
},

defaultMessage: function( element, method) {
return this.findDefined(
this.customMessage( element.name, method ),
this.customMetaMessage( element, method ),
// title is never undefined, so handle empty string as undefined
!this.settings.ignoreTitle && element.title || undefined,
$.validator.messages[method],
"<strong>Warning: No message defined for " + element.name + "</strong>"
);
},

formatAndAdd: function( element, rule ) {
var message = this.defaultMessage( element, rule.method );
if ( typeof message == "function" )
message = message.call(this, rule.parameters, element);
this.errorList.push({
message: message,
element: element
});
this.errorMap[element.name] = message;
this.submitted[element.name] = message;
},

addWrapper: function(toToggle) {
if ( this.settings.wrapper )
toToggle = toToggle.add( toToggle.parents( this.settings.wrapper ) );
return toToggle;
},

defaultShowErrors: function() {
for ( var i = 0; this.errorList[i]; i++ ) {
var error = this.errorList[i];
this.settings.highlight && this.settings.highlight.call( this, error.element, this.settings.errorClass );
this.showLabel( error.element, error.message );
}
if( this.errorList.length ) {
this.toShow = this.toShow.add( this.containers );
}
if (this.settings.success) {
for ( var i = 0; this.successList[i]; i++ ) {
this.showLabel( this.successList[i] );
}
}
if (this.settings.unhighlight) {
for ( var i = 0, elements = this.validElements(); elements[i]; i++ ) {
this.settings.unhighlight.call( this, elements[i], this.settings.errorClass );
}
}
this.toHide = this.toHide.not( this.toShow );
this.hideErrors();
this.addWrapper( this.toShow ).show();
},

validElements: function() {
return this.currentElements.not(this.invalidElements());
},

invalidElements: function() {
return $(this.errorList).map(function() {
return this.element;
});
},

showLabel: function(element, message) {
var label = this.errorsFor( element );
if ( label.length ) {
// refresh error/success class
label.removeClass().addClass( this.settings.errorClass );

// check if we have a generated label, replace the message then
label.attr("generated") && label.html(message);
} else {
// create label
label = $("<" + this.settings.errorElement + "/>")
.attr({"for": this.idOrName(element), generated: true})
.addClass(this.settings.errorClass)
.html(message || "");
if ( this.settings.wrapper ) {
// make sure the element is visible, even in IE
// actually showing the wrapped element is handled elsewhere
label = label.hide().show().wrap("<" + this.settings.wrapper + "/>").parent();
}
if ( !this.labelContainer.append(label).length )
this.settings.errorPlacement
? this.settings.errorPlacement(label, $(element) )
: label.insertAfter(element);
}
if ( !message && this.settings.success ) {
label.text("");
typeof this.settings.success == "string"
? label.addClass( this.settings.success )
: this.settings.success( label );
}
this.toShow = this.toShow.add(label);
},

errorsFor: function(element) {
return this.errors().filter("[for=‘" + this.idOrName(element) + "‘]");
},

idOrName: function(element) {
return this.groups[element.name] || (this.checkable(element) ? element.name : element.id || element.name);
},

checkable: function( element ) {
return /radio|checkbox/i.test(element.type);
},

findByName: function( name ) {
// select by name and filter by form for performance over form.find("[name=...]")
var form = this.currentForm;
return $(document.getElementsByName(name)).map(function(index, element) {
return element.form == form && element.name == name && element || null;
});
},

getLength: function(value, element) {
switch( element.nodeName.toLowerCase() ) {
case ‘select‘:
return $("option:selected", element).length;
case ‘input‘:
if( this.checkable( element) )
return this.findByName(element.name).filter(‘:checked‘).length;
}
return value.length;
},

depend: function(param, element) {
return this.dependTypes[typeof param]
? this.dependTypes[typeof param](param, element)
: true;
},

dependTypes: {
"boolean": function(param, element) {
return param;
},
"string": function(param, element) {
return !!$(param, element.form).length;
},
"function": function(param, element) {
return param(element);
}
},

optional: function(element) {
return !$.validator.methods.required.call(this, $.trim(element.value), element) && "dependency-mismatch";
},

startRequest: function(element) {
if (!this.pending[element.name]) {
this.pendingRequest++;
this.pending[element.name] = true;
}
},

stopRequest: function(element, valid) {
this.pendingRequest--;
// sometimes synchronization fails, make sure pendingRequest is never < 0
if (this.pendingRequest < 0)
this.pendingRequest = 0;
delete this.pending[element.name];
if ( valid && this.pendingRequest == 0 && this.formSubmitted && this.form() ) {
$(this.currentForm).submit();
} else if (!valid && this.pendingRequest == 0 && this.formSubmitted) {
$(this.currentForm).triggerHandler("invalid-form", [this]);
}
},

previousValue: function(element) {
return $.data(element, "previousValue") || $.data(element, "previousValue", previous = {
old: null,
valid: true,
message: this.defaultMessage( element, "remote" )
});
}

},

classRuleSettings: {
required: {required: true},
email: {email: true},
url: {url: true},
date: {date: true},
dateISO: {dateISO: true},
dateDE: {dateDE: true},
number: {number: true},
numberDE: {numberDE: true},
digits: {digits: true},
creditcard: {creditcard: true}
},

addClassRules: function(className, rules) {
className.constructor == String ?
this.classRuleSettings[className] = rules :
$.extend(this.classRuleSettings, className);
},

classRules: function(element) {
var rules = {};
var classes = $(element).attr(‘class‘);
classes && $.each(classes.split(‘ ‘), function() {
if (this in $.validator.classRuleSettings) {
$.extend(rules, $.validator.classRuleSettings[this]);
}
});
return rules;
},

attributeRules: function(element) {
var rules = {};
var $element = $(element);

for (method in $.validator.methods) {
var value = $element.attr(method);
if (value) {
rules[method] = value;
}
}

// maxlength may be returned as -1, 2147483647 (IE) and 524288 (safari) for text inputs
if (rules.maxlength && /-1|2147483647|524288/.test(rules.maxlength)) {
delete rules.maxlength;
}

return rules;
},

metadataRules: function(element) {
if (!$.metadata) return {};

var meta = $.data(element.form, ‘validator‘).settings.meta;
return meta ?
$(element).metadata()[meta] :
$(element).metadata();
},

staticRules: function(element) {
var rules = {};
var validator = $.data(element.form, ‘validator‘);
if (validator.settings.rules) {
rules = $.validator.normalizeRule(validator.settings.rules[element.name]) || {};
}
return rules;
},

normalizeRules: function(rules, element) {
// handle dependency check
$.each(rules, function(prop, val) {
// ignore rule when param is explicitly false, eg. required:false
if (val === false) {
delete rules[prop];
return;
}
if (val.param || val.depends) {
var keepRule = true;
switch (typeof val.depends) {
case "string":
keepRule = !!$(val.depends, element.form).length;
break;
case "function":
keepRule = val.depends.call(element, element);
break;
}
if (keepRule) {
rules[prop] = val.param !== undefined ? val.param : true;
} else {
delete rules[prop];
}
}
});

// evaluate parameters
$.each(rules, function(rule, parameter) {
rules[rule] = $.isFunction(parameter) ? parameter(element) : parameter;
});

// clean number parameters
$.each([‘minlength‘, ‘maxlength‘, ‘min‘, ‘max‘], function() {
if (rules[this]) {
rules[this] = Number(rules[this]);
}
});
$.each([‘rangelength‘, ‘range‘], function() {
if (rules[this]) {
rules[this] = [Number(rules[this][0]), Number(rules[this][1])];
}
});

if ($.validator.autoCreateRanges) {
// auto-create ranges
if (rules.min && rules.max) {
rules.range = [rules.min, rules.max];
delete rules.min;
delete rules.max;
}
if (rules.minlength && rules.maxlength) {
rules.rangelength = [rules.minlength, rules.maxlength];
delete rules.minlength;
delete rules.maxlength;
}
}

// To support custom messages in metadata ignore rule methods titled "messages"
if (rules.messages) {
delete rules.messages;
}

return rules;
},

// Converts a simple string to a {string: true} rule, e.g., "required" to {required:true}
normalizeRule: function(data) {
if( typeof data == "string" ) {
var transformed = {};
$.each(data.split(/\s/), function() {
transformed[this] = true;
});
data = transformed;
}
return data;
},

// http://docs.jquery.com/Plugins/Validation/Validator/addMethod
addMethod: function(name, method, message) {
$.validator.methods[name] = method;
$.validator.messages[name] = message;
if (method.length < 3) {
$.validator.addClassRules(name, $.validator.normalizeRule(name));
}
},

methods: {

// http://docs.jquery.com/Plugins/Validation/Methods/required
required: function(value, element, param) {
// check if dependency is met
if ( !this.depend(param, element) )
return "dependency-mismatch";
switch( element.nodeName.toLowerCase() ) {
case ‘select‘:
var options = $("option:selected", element);
return options.length > 0 && ( element.type == "select-multiple" || ($.browser.msie && !(options[0].attributes[‘value‘].specified) ? options[0].text : options[0].value).length > 0);
case ‘input‘:
if ( this.checkable(element) )
return this.getLength(value, element) > 0;
default:
return $.trim(value).length > 0;
}
},

// http://docs.jquery.com/Plugins/Validation/Methods/remote
remote: function(value, element, param) {
if ( this.optional(element) )
return "dependency-mismatch";

var previous = this.previousValue(element);

if (!this.settings.messages[element.name] )
this.settings.messages[element.name] = {};
this.settings.messages[element.name].remote = typeof previous.message == "function" ? previous.message(value) : previous.message;

param = typeof param == "string" && {url:param} || param;

if ( previous.old !== value ) {
previous.old = value;
var validator = this;
this.startRequest(element);
var data = {};
data[element.name] = value;
$.ajax($.extend(true, {
url: param,
mode: "abort",
port: "validate" + element.name,
dataType: "json",
data: data,
success: function(response) {
if ( response ) {
var submitted = validator.formSubmitted;
validator.prepareElement(element);
validator.formSubmitted = submitted;
validator.successList.push(element);
validator.showErrors();
} else {
var errors = {};
errors[element.name] = response || validator.defaultMessage( element, "remote" );
validator.showErrors(errors);
}
previous.valid = response;
validator.stopRequest(element, response);
}
}, param));
return "pending";
} else if( this.pending[element.name] ) {
return "pending";
}
return previous.valid;
},

// http://docs.jquery.com/Plugins/Validation/Methods/minlength
minlength: function(value, element, param) {
return this.optional(element) || this.getLength($.trim(value), element) >= param;
},

// http://docs.jquery.com/Plugins/Validation/Methods/maxlength
maxlength: function(value, element, param) {
return this.optional(element) || this.getLength($.trim(value), element) <= param;
},

// http://docs.jquery.com/Plugins/Validation/Methods/rangelength
rangelength: function(value, element, param) {
var length = this.getLength($.trim(value), element);
return this.optional(element) || ( length >= param[0] && length <= param[1] );
},

// http://docs.jquery.com/Plugins/Validation/Methods/min
min: function( value, element, param ) {
return this.optional(element) || value >= param;
},

// http://docs.jquery.com/Plugins/Validation/Methods/max
max: function( value, element, param ) {
return this.optional(element) || value <= param;
},

// http://docs.jquery.com/Plugins/Validation/Methods/range
range: function( value, element, param ) {
return this.optional(element) || ( value >= param[0] && value <= param[1] );
},

// http://docs.jquery.com/Plugins/Validation/Methods/email
email: function(value, element) {
// contributed by Scott Gonzalez: http://projects.scottsplayground.com/email_address_validation/
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);
},

// http://docs.jquery.com/Plugins/Validation/Methods/url
url: function(value, element) {
// contributed by Scott Gonzalez: http://projects.scottsplayground.com/iri/
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);
},

// http://docs.jquery.com/Plugins/Validation/Methods/date
date: function(value, element) {
return this.optional(element) || !/Invalid|NaN/.test(new Date(value));
},

// http://docs.jquery.com/Plugins/Validation/Methods/dateISO
dateISO: function(value, element) {
return this.optional(element) || /^\d{4}[\/-]\d{1,2}[\/-]\d{1,2}$/.test(value);
},

// http://docs.jquery.com/Plugins/Validation/Methods/dateDE
dateDE: function(value, element) {
return this.optional(element) || /^\d\d?\.\d\d?\.\d\d\d?\d?$/.test(value);
},

// http://docs.jquery.com/Plugins/Validation/Methods/number
number: function(value, element) {
return this.optional(element) || /^-?(?:\d+|\d{1,3}(?:,\d{3})+)(?:\.\d+)?$/.test(value);
},

// http://docs.jquery.com/Plugins/Validation/Methods/numberDE
numberDE: function(value, element) {
return this.optional(element) || /^-?(?:\d+|\d{1,3}(?:\.\d{3})+)(?:,\d+)?$/.test(value);
},

// http://docs.jquery.com/Plugins/Validation/Methods/digits
digits: function(value, element) {
return this.optional(element) || /^\d+$/.test(value);
},

// http://docs.jquery.com/Plugins/Validation/Methods/creditcard
// based on http://en.wikipedia.org/wiki/Luhn
creditcard: function(value, element) {
if ( this.optional(element) )
return "dependency-mismatch";
// accept only digits and dashes
if (/[^0-9-]+/.test(value))
return false;
var nCheck = 0,
nDigit = 0,
bEven = false;

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

for (n = value.length - 1; n >= 0; n--) {
var cDigit = value.charAt(n);
var nDigit = parseInt(cDigit, 10);
if (bEven) {
if ((nDigit *= 2) > 9)
nDigit -= 9;
}
nCheck += nDigit;
bEven = !bEven;
}

return (nCheck % 10) == 0;
},

// http://docs.jquery.com/Plugins/Validation/Methods/accept
accept: function(value, element, param) {
param = typeof param == "string" ? param : "png|jpe?g|gif";
return this.optional(element) || value.match(new RegExp(".(" + param + ")$", "i"));
},

// http://docs.jquery.com/Plugins/Validation/Methods/equalTo
equalTo: function(value, element, param) {
return value == $(param).val();
}

}

});

})(jQuery);

// ajax mode: abort
// usage: $.ajax({ mode: "abort"[, port: "uniqueport"]});
// if mode:"abort" is used, the previous request on that port (port can be undefined) is aborted via XMLHttpRequest.abort()
;(function($) {
var ajax = $.ajax;
var pendingRequests = {};
$.ajax = function(settings) {
// create settings for compatibility with ajaxSetup
settings = $.extend(settings, $.extend({}, $.ajaxSettings, settings));
var port = settings.port;
if (settings.mode == "abort") {
if ( pendingRequests[port] ) {
pendingRequests[port].abort();
}
return (pendingRequests[port] = ajax.apply(this, arguments));
}
return ajax.apply(this, arguments);
};
})(jQuery);

// provides cross-browser focusin and focusout events
// IE has native support, in other browsers, use event caputuring (neither bubbles)

// provides delegate(type: String, delegate: Selector, handler: Callback) plugin for easier event delegation
// handler is only called when $(event.target).is(delegate), in the scope of the jquery-object for event.target

// provides triggerEvent(type: String, target: Element) to trigger delegated events
;(function($) {
$.each({
focus: ‘focusin‘,
blur: ‘focusout‘
}, function( original, fix ){
$.event.special[fix] = {
setup:function() {
if ( $.browser.msie ) return false;
this.addEventListener( original, $.event.special[fix].handler, true );
},
teardown:function() {
if ( $.browser.msie ) return false;
this.removeEventListener( original,
$.event.special[fix].handler, true );
},
handler: function(e) {
arguments[0] = $.event.fix(e);
arguments[0].type = fix;
return $.event.handle.apply(this, arguments);
}
};
});
$.extend($.fn, {
delegate: function(type, delegate, handler) {
return this.bind(type, function(event) {
var target = $(event.target);
if (target.is(delegate)) {
return handler.apply(target, arguments);
}
});
},
triggerEvent: function(type, target) {
return this.triggerHandler(type, [$.event.fix({ type: type, target: target })]);
}
});
})(jQuery);