Get Youtube Video ID from html code with PHP

Question

I want to get all only youtube video ID from html code

look the (or multiple) object/embed code for youtube video

// html from database

    &         


        

Answer 1

I might get scolded for using a regex to parse html but given the circumstances maybe it's the best way to do it?

preg_match('~/v/([0-9a-z_]+)~i', $code, $matches);
echo $matches[1];

assuming the valid characters for a youtube video id are 0-9a-z_