email regular expression javascript code example
Example 1: javascript regex email
function validateEmail (emailAdress)
{
let regexEmail = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
if (emailAdress.match(regexEmail)) {
return true;
} else {
return false;
}
}
let emailAdress = "[email protected]";
console.log(validateEmail(emailAdress));
Example 2: email regex
//Author: Mohammad Arman Khan
//Regular Expresssion for e-mail validation
var email_validator_regex = /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/;
Example 3: email regex javscript
function validateEmail(email) {
var re = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
return re.test(String(email).toLowerCase());
}
Example 4: email validation in javascript
isValidEmail("[email protected]"); // true
function isValidEmail(email) {
var emailRegex = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
return !!email && typeof email === 'string'
&& email.match(emailformat)};
};
Example 5: email validation regex javascript
function validateEmail(email) {
const re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
return re.test(email);
}
function validate() {
const $result = $("#result");
const email = $("#email").val();
$result.text("");
if (validateEmail(email)) {
$result.text(email + " is valid :)");
$result.css("color", "green");
} else {
$result.text(email + " is not valid :(");
$result.css("color", "red");
}
return false;
}
$("#validate").on("click", validate);
Example 6: email validation in javascript using regular expression
var emailReg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
if(!emailReg.test($('#inputUsername').val()) ){
alert('Enter valid email');
return false;
}