I am working on a user details web from in ASP.NET where I have to validate users email id text box. Do I need to use regular expression?
\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*
try this ^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$