- var_dump: documentation ( source)
- preg_match: documentation ( source)
<?php
$str = '<script src="//player.performgroup.com/eplayer.js#40062f4fff8ff6752a9407661d.8x9cck2d0td21dyvbmpnrk9b3$videoid=1484247gdg03b1lctmlsd1dk8p" async="" type="text/javascript">';
$a = preg_match('/player\.performgroup\.com\/eplayer\.js/', $str);
var_dump($a);