I am developing asp.net c# web application and I want an expression that will get only numerical value of a custom tag. Example tag: <MyTag MyTagId="123">  I need an expression that will extract 123 from MyTagId attribute of MyTag. Your help will be highly appreciated.   Thanks. 

Hi  I need to check the text box value. The validation should be as folows. A + ve number may contain decimal values with maximum 16 characters , 12 characters to the left of decimal point + decimal point + 3 places of decimal places. Example.. 123456789123.123 , left to decimal can not be more than 12 digit, right side can not be more than ...