window.RegularExpression =
	number : /^[0-9]+$/
	letters : /^[a-zA-Z_áéíóúñ\s]*$/
	alphanumeric : /^[a-zA-Z0-9]+$/
	latin_letters : /^[a-zA-ZáéíóúàèìòùÀÈÌÒÙÁÉÍÓÚñÑüÜ_\s]+$/
	email : /^[a-zA-Z0-9\._-]+@[a-zA-Z0-9-]{2,}[.][a-zA-Z]{2,4}$/
	password : /^([a-z]+[0-9]+)|([0-9]+[a-z]+)/i
	url : /^(ht|f)tps?:\/\/\w+([\.\-\w]+)?\.([a-z]{2,6})?([\.\-\w\/_]+)$/i
	localhost : /^http:\/\/(localhost|127\.0\.0\.1)/
	zip_code : /^([1-9]{2}|[0-9][1-9]|[1-9][0-9])[0-9]{3}$/
	NIF : /^\d{8}[a-zA-Z]{1}$/ 
	CIF : /^[a-zA-Z]{1}\d{7}[a-zA-Z0-9]{1}$/
	NIE : /^[XxTtYyZz]{1}[0-9]{7}[a-zA-Z]{1}$/
	VISA : /^4[0-9]{3}-?[0-9]{4}-?[0-9]{4}-?[0-9]{4}$/
	MASTERCARD : /^5[1-5][0-9]{2}-?[0-9]{4}-?[0-9]{4}-?[0-9]{4}$/ 
	date : /^([0-9]{2}\/[0-9]{2}\/[0-9]{4})$/
	floatRegex : /[-+]?([0-9]*\.[0-9]+|[0-9]+)/ 
	number1to50Regex : /(^[1-9]{1}$|^[1-4]{1}[0-9]{1}$|^50$)/gm
	creditCardRegex : /^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\d{3})\d{11})$/
	usernameRegex : /^[a-z0-9_-]{3,16}$/
	passwordRegex : /^[a-z0-9_-]{6,18}$/
	phoneNumber : /^[0-9-()+]{3,20}/
	dateRegex : /(\d{1,2}\/\d{1,2}\/\d{4})/gm
	dateMMDDYYYRegex : /^(0[1-9]|1[012])[- \/.](0[1-9]|[12][0-9]|3[01])[- \/.](19|20)\d\d$/
	dateDDMMYYYRegex : /^(0[1-9]|[12][0-9]|3[01])[- \/.](0[1-9]|1[012])[- \/.](19|20)\d\d$/
	urlRegex : /^(https?:\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?$/
	domainRegex : /(.*?)[^w{3}\.]([a-zA-Z0-9]([a-zA-Z0-9\-]{0,65}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,6}/igm
	domainRegex : /[^w{3}\.]([a-zA-Z0-9]([a-zA-Z0-9\-]{0,65}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,6}/igm
	domainRegex : /(.*?)\.(com|net|org|info|coop|int|com\.au|co\.uk|org\.uk|ac\.uk|)/igm
	subDomainRegex : /(http:\/\/|https:\/\/)?(www\.|dev\.)?(int\.|stage\.)?(travel\.)?(.*)+?/igm
	imageRegex : /([^\s]+(?=\.(jpg|gif|png))\.\2)/gm
	imgTagsRegex : /<img.+?src=\"(.*?)\".+?>/ig
	imgPNG : /<img.+?src=\"(.*?.png)\".+?>/ig
	rgbRegex : /^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/
	hexRegex : /^#?([a-f0-9]{6}|[a-f0-9]{3})$/
	htmlTagRegex : /^<([a-z]+)([^<]+)*(?:>(.*)<\/\1>|\s+\/>)$/
	jsTagsRegex : /<script.+?src=\"(.+?\.js(?:\?v=\d)*).+?script>/ig		
	cssTagsRegex : /<link.+?href=\"(.+?\.css(?:\?v=\d)*).+?>/ig