[REGEX] Acceptable nickname regular expression - Printable Version

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+--- Thread: [REGEX] Acceptable nickname regular expression (/showthread.php?tid=411634)

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[REGEX] Acceptable nickname regular expression - ikkentim - 29.01.2013

Hi,

I'm programming some user interface in PHP, and I'm having a little problem with acceptable nicknames.

I know these are the accepted characters:
a-z A-Z 0-9 . _ $ @ = ( ) [ ].

and you need 3-20 characters. (can be done with strlen)

Does anyone have a regular expression laying around or knows how to make a regex for checking if any other characters than those allowed are posted($username)?

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Re: [REGEX] Acceptable nickname regular expression - Vince - 29.01.2013

Not too good with regex, but I think it's basically just this:

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