Validating a email
The only way to do that is to send them an email and have them click a link to verify. that they didn't accidentally entered their street address) is usually enough.Something like: it has exactly one You'd probably also want to disallow whitespace -- there are probably valid email addresses with whitespace in them, but I've never seen one, so the odds of this being a user error are on your side.
It is used to identify the devices of a network through an addressing system.There are even whole modules for Perl with the purpose of validating email addresses.So you probably won't get anything that's 100% perfect as a regex while also being readable.Our "validate email address" tool is 100% free, superbly fast and very accurate and reliable. Here’s how you can use our tool to validate email addresses: The email address validation tool will help you organize and clean your contact list, thus maximizing the efficiency of your email marketing campaign.