CODE EXAMPLE FOR JAVASCRIPT

youtube video regex

^(?:https?:)?(?://)?(?:youtu.be/|(?:www.|m.)?youtube.com/(?:watch|v|embed)(?:.php)?(?:?.*v=|/))([a-zA-Z0-9\_-]{7,15})(?:[?&][a-zA-Z0-9\_-]+=[a-zA-Z0-9\_-]+)*(?:[&/#].*)?$