Regular, extract the video path, how to solve

Regular, extracting the video path
such as String

He could be a part of an article, and there's something at the end.


I want to extract the above script from the red section above.
Also want to extract the script inside the video parameters, length, width, path. Like what
550, 400, http://player.56.com/v_NTYwMzg0MjA.swf

But I do not understand the regular, trouble to help a bit.

------Solution--------------------

PHP Code

$s =<<
  
  <><\ script="">
   /isu ", $s, $m); Print_r ($m);
   
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