Useful Regular Expression for a UserName

^[a-zA-Z0-9_\.\-]+$

Allows only Alphanumeric characters with a period(.), Underscore(_) and a Hyphen (-). No spaces or other characters allowed.

This entry was posted on May 17, 2009, 10:14 AM and is filed under ASP .NET, Web Development. You can follow any responses to this entry through RSS 2.0. You can leave a response, or trackback from your own site.

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