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Regex - How To Validate ID Number

I am new at this so be easy on me... :)

I need to validate if a the ID number that the user typed in my site is a valid ID.

How do I check it?

Do I need to use RegularExpressionValidator?

More over, I also need to validate the credit card number, I found a few RegularExpressions for that in the net but each one is different from the other and I am not sure which one to use.. Does anyone know od a working expression that will suit all credit cards?

View 2 Replies (Posted: Sep 7 10 at 14:38)

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