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مشاهدة النسخة كاملة : about regular expression validation



C# Programming
11-08-2009, 05:11 AM
gud afternoon

i have a problem
i have a taextbox and i want to enter in it only 2 digits or 11 digits

example

12 valid
123 invalid
12345678912 valid
123456789123 invalid


plz. rply its urgrnt