Online PHP editor | refs for aN21P

<?php $_content = '<iframe src="//player.vimeo.com/video/36899035" width="500" height="281" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe> <p><a href="http://vimeo.com/36899035">Moving a Tree</a> from <a href="http://vimeo.com/user4457549">Avery Lawrence</a> on <a href="https://vimeo.com">Vimeo</a>.</p>'; preg_match('#vimeo.com[^\'"0-9]*([0-9]+)#i',$_content, $matches); var_dump($matches); echo $_content;