email validation in javascript
/* JavaScript: validating email address */
isValidEmail("[email protected]"); // true
function isValidEmail(email) {
var emailRegex = /^w+([.-]?w+)*@w+([.-]?w+)*(.w{2,3})+$/;
return !!email && typeof email === 'string'
&& email.match(emailformat)};
};how to set validation for email in javascript
<script language="javascript">
function checkEmail() {
var email = document.getElementById('txtEmail');
var filter = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/;
if (!filter.test(email.value)) {
alert('Please provide a valid email address');
email.focus;
return false;
}
}</script>Copyright © 2021 Codeinu
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