jQuery.validator.addMethod("maxWords", function(value, element, params) {
    return this.optional(element) || value.match(/\b\w+\b/g).length < params;
}, "Please enter {0} words or less.");

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

jQuery.validator.addMethod("rangeWords", function(value, element, params) {
    return this.optional(element) || value.match(/\b\w+\b/g).length >= params[0] && value.match(/bw+b/g).length < params[1];
}, "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, spaces or underscores only please");

jQuery.validator.addMethod("username", function(value, element) {
	return this.optional(element) || /^[a-z0-9_-]+$/i.test(value);
}, "Letters, numbers or 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("password", function( value, element ) {
	var result = this.optional(element) || value.length >= 6 && /\d/.test(value) && /[a-z]/i.test(value);
	if (!result) {
		element.value = "";
		var validator = this;
		setTimeout(function() {
			validator.blockFocusCleanup = true;
			element.focus();
			validator.blockFocusCleanup = false;
		}, 1);
	}
	return result;
}, "Your password must be at least 6 characters long and contain at least one number and one character.");

/**
 * 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("phone", 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");

// 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.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);