JSFiddle - React, Tailwind, and code Playground

by Frank Liu

JavaScript

let email = "joe2+ty3@aDomaincom";
let local = email.substr(0, email.indexOf('@'));
 
 (ValidateEmail(email) );

function ValidateEmail(email) 
{
 if ( (/^[_a-z0-9-]+(\.[_a-z0-9-]+)*(\+[a-z0-9-]+)?@[a-z0-9-]+(\.[a-z0-9-]+)*$/i).test(email))
  {
    return (true)
  }
    alert("You have entered an invalid email address!")
    return (false)
}