Validate EmailAddress in Asp.net using RegularExpressionValidator Control

Here are the steps to validate EmailAddress in Asp.net using RegularExpressionValidator Control.


Step 1 :
  Add a RegularExpressionValidator control to your web page.

Step 2: 

         Right click on the control and select properties.

• Set the ControlToValidate property to indicate which control to validate.
• Set the ValidationExpression property to  regular expression as shown
  in below image.