Validating email c

Posted by / 04-Jul-2018 03:02

To fix this problem, you implement an activation system where, after registering, I am sent an email with a link I must click.This is to verify that I actually own that email address before my account is activated.

I have seen many comments saying that the expressions in question do not work for certain cases and that they are either too strict or too permissive.

Also, I have no control over the design, or on how that address string comes to my function, I can't add the email validation in the UI, so I am helpless there... I have had cases of email addresses being blocked by regex.

I had read somewhere that the only way to validate an email address is to send an email to it, because the regular expressions to validate an email addreess can be surprisingly huge. I have not found a regex to date which will validate correctly.

For more information, see the WM_KILLFOCUS topic in the "Keyboard Input Reference" section, and the "Message Deadlocks" section of the "About Messages and Message Queues" topic in the MSDN library at

The following code example uses the derived class Text Box and validates an e-mail address that the user enters.

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