Grab the video ID from YouTube URL?

Question

Say I have a list of IDs like so:

http://www.youtube.com/watch?v=KMU0tzLwhbE
http://youtu.be/KMU0tzLwhbE
http://www.youtube.com/watch?v=KMU0tzLwhbE&featured=         


        

Answer 1

The first group of a preg_match using (?:(?:\?|&)v=|youtu\.be\/)(.+?)(?:$|&) as the pattern.