How to Validate Email in JavaScript with Regular Expression

JavaScript Email Validate
We have seen many Regular Expression tutorials in VB.NET and C-sharp, this is our first JavaScript tutorial on Regular Expressions. So today we’ll see how to validate an email address that's being entered to a textbox. We have a textbox and a button, when you enter something into the textbox and click on the “validate”  button it’ll tell if It’s an email address or not(being noob GRRR!).

Add our JavaScript first(make sure you add it to the head) :

Next add the input box and the validate button :


That’s all. You can use this for some kind of subscription button or register/login forms. I hope this little snippet is helpful for you.

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