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So you think this library can validate email addresses

blog.jonasneubert.com

Let’s add some validation for this email address form field! I usually write software for automation, but like every software developer I’m not immune to email address validation. So you think you can validate email addresses The FOSDEM 2018 talk “So you think you can validate email addresses” by Stavros has become a canonical reference for expressing the futility of all attempts to validate email addresses. You can watch it on Youtube. In the talk, Stavros shows a series of email addresses and asks the audience to shout “valid” or “invalid” for each one. After 26 examples (that include 32 @ symbols) Stavros recommends a two step process for email address validation:

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