Парсинг линков в стринге.

Код AS3:

private function replaceLinks(str:String):String
		{
			var string:String = str;
			var regLinksHTTP:RegExp = /(ftp:\/\/|http:\/\/|https:\/\/)([\.[:alnum:]_-]){0,4}([[:alnum:]_-]+\.)([[:alnum:]_-]\.?)([[:alpha:]]){0,3}+[\S]*(?<![^\w\/])/g;
			var regLinksWWW:RegExp = /[^\/](www)([\.[:alnum:]_-]){0,4}([[:alnum:]_-]+\.)([[:alnum:]_-]\.?)([[:alpha:]]){0,3}+[\S]*(?<![^\w\/])/g;
			var regEmail:RegExp = /[a-z0-9!#$%&'*+\/\=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/g;
			string = string.replace(regLinksHTTP, "<a href='$&' target='blank'>$&</a>");
			string = string.replace(regLinksWWW, "<a href='http://$&' target='blank'>$&</a>");
			string = string.replace(regEmail, "<a href='mailto:$&'>$&</a>");
			return string;
		}