stripping IDs from URLs?

[jewcat 0]

Alright, let's take for instance a Youtube URL. And say I'm compiling a list of Youtube video IDs. The URL structure is obviously the same for every video.

 

ex.

 

So how can i go about stripping off the "http://www.youtube.com/watch?v=" and being left with a variable whose value is simply the "mCS6LmYSzbY" ?

 

Suggestions appreciated

[Guest Jim]

Here's an example of using javascript inside an $eval statement that should help you out.

 

Could be made sorter by using a regular expression instead of doing the replace function twice for matching with or without (www.), but this is simpler.