function matchYoutubeUrl(url) { var p = /^(?:https?:\/\/)?(?:m\.|www\.)?(?:youtu\.be\/|youtube\.com\/(?:embed\/|v\/|watch\?v=|watch\?.+&v=))((\w|-){11})(?:\S+)?$/; if(url.match(p)){ return url.match(p)[1]; } return false; }