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Asked: 2026-06-13T08:10:39+00:00

I am still figuring my way around regex and have come across a problem

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I am still figuring my way around regex and have come across a problem that I am trying to solve. How do I validate for multiple specific email addresses?

For example, I want to only allow testdomain.com, realdomain.com, gooddomain.com to be validated. All other email addresses are not allowed.

annie@testdomain.com   OK
aaron1@realdomain.com  OK
amber@gooddomain.com   OK

annie@otherdomain.com NOT OK

But I’m stil unclear on how to add multiple specific email addresses for the regex.

Any and all help would be appreciated.

Thank you,

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1 Answer

  1. Editorial Team

    Do you mean to include various ligitimate domains in one regex?

    \b[A-Z0-9._%-]+@(testdomain|gooddomain|realdomain)\.com\b
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