User Names ???
 

Can anybody tell me how I can modify VB to not except spaces in the username when someone registers?

search in request forum please.. Solution was given more than once in there..

Thanks.

This is a really old thread. Anyone know a way to do this? Can't find any threads with details.

You may find your answer here:
Vbulletin Options->User Registration Options->Username Regular Expression
Click the help icon for more info once you are there. Here is the expression I am using: ^[A-Z0-9]+$
I believe this one will only accept letters and numbers...no characters, etc.