Online PHP editor | refs for hMes8

<?php $pattern = '~(?:http|https|)(?::\/\/|)(?:www.|)(?:youtu\.be\/|youtube\.com(?:\/embed\/|\/v\/|\/watch\?v=|\/ytscreeningroom\?v=|\/feeds\/api\/videos\/|\/user\S*[^\w\-\s]|\S*[^\w\-\s]))([\w\-]{11})[a-z0-9;:@?&%=+\/\$_.-]*~i'; $youtube_url = "http://www.youtube.com/watch?v=ty9QSiVC2g0"; $youtube_id = (preg_replace($pattern, '$1', $youtube_url)); var_dump ($youtube_id);