How to denie registration when unwhitelisted char is used?

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How to denie registration when unwhitelisted char is used?

01-02-2011, 08:14 PM

kh99

Join Date: Aug 2009

Location: Maine

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In the ACP go to vBulletin Options->User Registration Options->Username Regular Expression and put in an expression to match only the characters you want. I haven't tried it, but I think you'd want
^[a-zA-Z0-9_]+$

You didn't mention the space character, if you want to allow spaces you'd have to put that in too. (The help for that option has other examples).

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