Regular Expressions
JavaScript Regex
JavaScript
//https://regex101.com/r/Mw0iXG/1
var email = "[email protected]";
var filter = /[a-zA-Z0-9_\.]+[a-zA-Z0-9]+@[a-zA-Z0-9]+\.[a-zA-Z]{3}$/;
if(filter.test(email)){
console.log('valid email');
} else {
console.log('Invalid Email');
}