How to handle long email address with regex?

 

This question already has an answer here:

  • C# code to validate email address 34 answers

    • You can use the MailAddress class to validate the email instead of validating it using the regex. 

    MailAddress m = new MailAddress(email);

    From MSDN

    Instead of using a regular expression to validate an email address, you can use the System.Net.Mail.MailAddress class. To determine whether an email address is valid, pass the email address to the MailAddress.MailAddress(String) class constructor.

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