How to check whether entered Value is string (Alphabets only) or not in Asp.net C#, VB

Introduction: Sometime it is required to check the value entered in textbox is string (Alphabets only) or not. In this article i will explain how to check whether entered value is string (Alphabets only)  or not in asp.net using regular expression in both C# and VB languages.

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Regular Expression to check whether entered string is numeric or not in Asp.net C#, VB

 Sometime it is required to check the value entered in textbox is numeric or not. In this article i will explain how to check whether entered value is numeric/number or not in asp.net using regular expression in both C# and VB languages.

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jQuery to Validate email address using RegularExpression in asp.net

We can validate Email-ID using ASP.NET regular expression or by using jquery, so that user can enter valid email id. Some by mistake user enter the invalid emalid (Wrong format). We can solve this by providing him proper guideline by using regular expression validation with the help of jquery, which will help user to enter valid Email id.

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