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


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("lettersnumbersandunderscore", function(value, element) {
	return this.optional(element) || /^[a-zA-Z0-9_]+$/i.test(value);
}, "Letters, numbers, and underscores only please");

jQuery.validator.addMethod("lettersnumbersdashandunderscore", function(value, element) {
	return this.optional(element) || /^[a-zA-Z0-9_-]+$/i.test(value);
}, "Letters, numbers, dashes and underscores only please");

jQuery.validator.addMethod("lettersonly", function(value, element) {
	return this.optional(element) || /^[^0-9\.$()|%#@,\{\};&\[\]\\/]+$/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("genericphone", function(value, element) {
	return this.optional(element) || /^[ 0-9()-]+$/i.test(value);
}, "digits, dash and parenthesis only");

jQuery.validator.addMethod("cyrilliconly", function(value, element) {
	return this.optional(element) || /^[АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЬЪЫЭЮЯабвгдеёжзийклмнопрстуфхцчшщьъыэюя\-.\s]+$/.test(value.trim());
}, "Символы кириллицы только, пожалуйста,");

jQuery.validator.addMethod("cyrillicnumeric", function(value, element) {
        return this.optional(element) || /^[АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЬЪЫЭЮЯабвгдеёжзийклмнопрстуфхцчшщьъыэюя/\\\-.,\s0-9]+$/.test(value.trim());
}, "Letters only 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("notEqualTo", function(value, element, param) {
    return this.optional(element) || value != $(param).val();
}, "Should not be equal");

jQuery.validator.addMethod("iEqualTo", function(value, element, param) {
    return this.optional(element) || value.toLowerCase() != $(param).val().toLowerCase();
}, "values have to be equal");

jQuery.validator.addMethod("phone_fr", function(value, element) {
//	return this.optional(element) || /^0[1-9-]{1}[0-9-]{8}$/i.test(value);
	return this.optional(element) || /^[ 0-9()-]+$/i.test(value);

}, "Votre numéro de téléphone n'est pas valide");

jQuery.validator.addMethod("zip_fr", function(value, element) {
	return this.optional(element) || /^(\d){5}$/i.test(value);
}, "Veuillez entrer un code postal valide");

$.validator.addMethod('IP4Checker', function(value) {
            var ip = "^(?:(?:25[0-5]2[0-4][0-9][01]?[0-9][0-9]?)\.){3}" +
                "(?:25[0-5]2[0-4][0-9][01]?[0-9][0-9]?)$";
                return value.match(ip);
            }, 'Invalid IP address');

jQuery.validator.addMethod("valDomain",function(nname)
{
  <!-- Script by hscripts.com -->
  <!-- Modified to fit jQuery Validate by Dan of QSD Consulting (http://qsdconsulting.com) -->
  <!-- Released under the GPL -->
  var arr = new Array(
    '.com','.net','.org','.biz','.coop','.info','.museum','.name',
    '.pro','.edu','.gov','.int','.mil','.ac','.ad','.ae','.af','.ag',
    '.ai','.al','.am','.an','.ao','.aq','.ar','.as','.at','.au','.aw',
    '.az','.ba','.bb','.bd','.be','.bf','.bg','.bh','.bi','.bj','.bm',
    '.bn','.bo','.br','.bs','.bt','.bv','.bw','.by','.bz','.ca','.cc',
    '.cd','.cf','.cg','.ch','.ci','.ck','.cl','.cm','.cn','.co','.cr',
    '.cu','.cv','.cx','.cy','.cz','.de','.dj','.dk','.dm','.do','.dz',
    '.ec','.ee','.eg','.eh','.er','.es','.et','.fi','.fj','.fk','.fm',
    '.fo','.fr','.ga','.gd','.ge','.gf','.gg','.gh','.gi','.gl','.gm',
    '.gn','.gp','.gq','.gr','.gs','.gt','.gu','.gv','.gy','.hk','.hm',
    '.hn','.hr','.ht','.hu','.id','.ie','.il','.im','.in','.io','.iq',
    '.ir','.is','.it','.je','.jm','.jo','.jp','.ke','.kg','.kh','.ki',
    '.km','.kn','.kp','.kr','.kw','.ky','.kz','.la','.lb','.lc','.li',
    '.lk','.lr','.ls','.lt','.lu','.lv','.ly','.ma','.mc','.md','.mg',
    '.mh','.mk','.ml','.mm','.mn','.mo','.mp','.mq','.mr','.ms','.mt',
    '.mu','.mv','.mw','.mx','.my','.mz','.na','.nc','.ne','.nf','.ng',
    '.ni','.nl','.no','.np','.nr','.nu','.nz','.om','.pa','.pe','.pf',
    '.pg','.ph','.pk','.pl','.pm','.pn','.pr','.ps','.pt','.pw','.py',
    '.qa','.re','.ro','.rw','.ru','.sa','.sb','.sc','.sd','.se','.sg',
    '.sh','.si','.sj','.sk','.sl','.sm','.sn','.so','.sr','.st','.sv',
    '.sy','.sz','.tc','.td','.tf','.tg','.th','.tj','.tk','.tm','.tn',
    '.to','.tp','.tr','.tt','.tv','.tw','.tz','.ua','.ug','.uk','.um',
    '.us','.uy','.uz','.va','.vc','.ve','.vg','.vi','.vn','.vu','.ws',
    '.wf','.ye','.yt','.yu','.za','.zm','.zw');

  var mai = nname;
  var val = true;

  var dot = mai.lastIndexOf(".");
  var dname = mai.substring(0,dot);
  var ext = mai.substring(dot,mai.length);
  //alert(ext);

  if(dot>2 && dot<57)
  {
    for(var i=0; i<arr.length; i++)
    {
      if(ext == arr[i])
      {
        val = true;
        break;
      }
      else
      {
        val = false;
      }
    }
    if(val == false)
    {
      return false;
    }
    else
    {
      for(var j=0; j<dname.length; j++)
      {
        var dh = dname.charAt(j);
        var hh = dh.charCodeAt(0);
        if((hh > 47 && hh<59) || (hh > 64 && hh<91) || (hh > 96 && hh<123) || hh==45 || hh==46)
        {
          if((j==0 || j==dname.length-1) && hh == 45)
          {
            return false;
          }
        }
        else    {
          return false;
        }
      }
    }
  }
  else
  {
    return false;
  }
  return true;
<!-- Script by hscripts.com -->

}, 'Invalid domain name.');


/**
* 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) || /^\d\d?[\.\/-]\d\d?[\.\/-]\d\d\d?\d?$/.test(value);
	}, "Vul hier een geldige datum in."
);

jQuery.validator.addMethod("time", function(value, element) {
		return this.optional(element) || /^([01][0-9])|(2[0123]):([0-5])([0-9])$/.test(value);
	}, "Please enter a valid time, between 00:00 and 23:59"
);

/**
 * 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.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 && /^(51|52|53|54|55)/.test(value)) { //mastercard
		return value.length == 16;
	}
	if (validTypes & 0x0002 && /^(4)/.test(value)) { //visa
		return value.length == 16;
	}
	if (validTypes & 0x0004 && /^(34|37)/.test(value)) { //amex
		return value.length == 15;
	}
	if (validTypes & 0x0008 && /^(300|301|302|303|304|305|36|38)/.test(value)) { //dinersclub
		return value.length == 14;
	}
	if (validTypes & 0x0010 && /^(2014|2149)/.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.");