Hello, This is my first post, so I apologize if it's in the wrong area. I looked around, but found nothing relevant.

Some users are pasting entire YouTube url's or <embed> codes in the sandbox manager > Video ID field, even though the help button is there for instruction. When this happens, it throws off my template design badly. The only way I have been able to fix it is remove the user.

Can someone tell me if there is a way to reject the code entered by a user and pops up the help window, if it contains any of the following:

" "
<>
http://

Thank You,
Ian Macdonald
www.sickdrummer.com