How To Validate an Email Address With JavaScript

In this tutorial, you'll learn how to validate an email address with JavaScript.

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It's something you might need to do from time to time within your application but verifying or validating an email address with JavaScript is done by matching the user entered string against a pattern using a JavaScript regular expression.

This is a JavaScript tutorial for beginners, to understand how to write a simple regular expression in JavaScript and use it to check for a valid email address.

JavaScript has some useful functions for working with regular expressions and you'll learn about how to use the JavaScript regular expression test function to return a true or false value depending on whether the string matches the email regex.

In this JavaScript tutorial, we'll look at how you can validate an email in JavaScript by using a simple email regex and also a more complicated pattern that is used by Chrome to check if a user has entered, what appears to be, a valid email address.

No JavaScript tutorial would be complete without an outrageously long string used to check for something as simple as an email address! In the second part of this JavaScript tutorial for beginners, we'll look at how to validate an email address with JavaScript using a complex regular expression pattern which is actually directly from the Chrome runtime which is used to validate emails that the user enters into form fields with the input type set to 'email'. Channel Handle @codebubb