Here's a few functions alert($Find by domain extension("url.net url.com url.me url.usa url.ca url.org", ".ca .me .net")) alert($Remove URLs from list("http://yahoo.com http://twitter.com http://facebook.com http://doggies.com http://ubotstudio.com", "yahoo twitter")) alert($Remove by domain extension("url.net url.com url.me url.usa url.ca url.org", ".org .ca .usa")) define $Find by domain extension(#list from text, #expresion list) { return($find regular expression(#list from text, ".*({$text from list($list from text(#expresion list, $new line), "|")})")) } define $Remove URLs from list