Need help with cleaner.php* pretty please with sugar on top
 

I'll say right off guys* I'm on my knee for help with cleaner.php!

My first problem is turning the following in to bb quotes:

Quoting: username

blah blah blah what is quoted



My second change is removing all the junk around youtube URLs:




Can anyone help with either of these? I'm completely confused on how to set up strings in cleaner.php.

xoxo
Iza