Regular expression for validating time in

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Regular expressions are much easier to understand if you use the following syntax and comment each component of the expression by using a number sign (#).

To enable comments, you must also specify Regex Options.

However, I want to change it so and , etc are also matched as well as and . Would you like to answer one of these unanswered questions instead?

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A ^ matches the position at the beginning of the input string and a $ matches the position at the end of the input string.I am working on web application using with vb code.I have a textbox for time field for which i am using regular expression validator. You can use them to constrain input, apply formatting rules, and check lengths. This How To shows how you can use regular expressions within ASP. Objectives Overview Using a Regular Expression Validator Control Using the Regex Class Common Regular Expressions Additional Resources If you make unfounded assumptions about the type, length, format, or range of input, your application is unlikely to be robust.To validate input captured with server controls, you can use the Regular Expression Validator control. Input validation can become a security issue if an attacker discovers that you have made unfounded assumptions.

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