How to javascript validtion email

Question

haii How to use Javascript Validation in Email address

Ritesh Singh · Answer

Hi function validateEmailAddress(emailId){ var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{24})$/; if (reg.test(emailId.value) == false) { alert('Invalid Email Address'); return false; } return true; } Note: Please accept the answer if it help you and answer your question. Thanks & Regards Ritesh

pradip makavana · Answer

CODE function validateEmail ( emailField ){ var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{24})$/ ; if ( reg . test ( emailField . value ) == false ) { alert ( 'Invalid Email Address' ); return false ; } return true ; } Reference Link: http://stackoverflow.com/questions/7635533/validate-email-address-textbox-using-javascript

Rajeesh Menoth · Answer

Hi raja Code : function validateForm() { var x = document.forms[ myForm ][ email ].value; var atpos = x.indexOf( @ ); var dotpos = x.lastIndexOf( . ); if (atpos =x.length) { alert( Not a valid e-mail address ); return false ; } } Reference : http://www.w3schools.com/js/tryit.asp?filename=tryjs_form_validate_email http://stackoverflow.com/questions/46155/validate-email-address-in-javascript

Midhun T P · Answer

Hi Use this function - 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 ; }