Selecting a validator based on other form controls

[dwolver]

I have a textbox that can represent different things and need to use diffferent validator controls based on Radio buttons. As a newbie I'm not familiar with how to accomplish this. Can someone provide some much appreciated guidance.

[Manas Bhardwaj]

You need to change the regular expression based on the selection of radio button.

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[dwolver]

That is correct, I need to change ValidatorControl on a Radio click but like i said, i'm not familiar with how to do this. An example code snippet would be nice.