regex - How to validate an email address in JavaScript? - Stack Overflow regex - How to validate an email address in JavaScript? - Stack Overflow

Validating email addresses javascript, javascript, c, laravel, python-x, excel-vba.

This script doesn't handle some of the newer Top Level Domains, such as.

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A good practice is to validate your data on the client, but double-check the validation on the server. A valid e-mail address is a string that matches the email production of the following ABNF, the character set for which is Unicode.

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There should be no in the address. JavaScript can match a regular expression: The only way to do that would be to send an email message to the address and see if the message bounces. If so, indexOf returns the position where it was found; if not, it returns a If you think about it a bit, you can probably come up with possible mistakes that fall outside the checks in this script.

How to validate email address in JavaScript?

If we get a value other than -1, we've found a bad character, and so we then return a value of false. This was stolen from http: If your browser supports HTML5 then you can use the following code. Once you have come to terms with that, there are many implementations out there that can get you halfway there, this article sums them up nicely.

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