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Restrict characters in ASP.NET textbox

Posted on 2006-06-20
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Last Modified: 2012-08-14
I have a textbox on an asp.net webform that i would like to restrict it so on certain characters can be entered.  I only want to allow a-z (upper and lower) and 0-9.  Can i do this with a validation control?
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Question by:Mike_Stevens
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whityum earned 2000 total points
ID: 16944398
RegEx one, use this as the expression:

[^a-z0-9]
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by:Mike_Stevens
ID: 16944855
thanks...that is exactly what i was looking for.
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