Description: Technology Toolbox: VB.NET, C#, ASP.NET regular expression validator S imple validations often aren\'t adequate for some kinds of user input for example, credit card numbers and Social Security numbers. The fact that users like to enter data in different formats complicates matters. For example, users might enter a credit card number as 1234 5678 9012 3456, 1234567890123456, or 1234-5678-9012-3456. You can parse any of these as a valid credit card number. Even simple...
