Email validation in java script?

Posted by Gaddad under JavaScript on 12/23/2009 | Views : 2406 | Status : [Member] | Replies : 3

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Hi,

I need email validation in the format "abc.def@ghi.klm" one dot should be mandatory after "@" symbol.

Thanks in advance!

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Posted by: Subashini on: 6/9/2014 [Member] Starter | Points: 25

0	Look at this example of how it can be done in Javascript: <html> <head> <script type="text/javascript"> <!-- function validateEmail() { var emailText = document.getElementById('email').value; var pattern = /^[a-zA-Z0-9\-_]+(\.[a-zA-Z0-9\-_]+)@[a-z0-9]+(\-[a-z0-9]+)(\.[a-z0-9]+(\-[a-z0-9]+))\.[a-z]{2,4}$/; if (pattern.test(emailText)) { return true; } else { alert('Bad email address: ' + emailText); return false; } } window.onload = function() { document.getElementById('email_form').onsubmit = validateEmail; } </script> </head> <body> <form id="email_form"> <input type="text" id="email"> <input type="submit"> </form> </body> </html> www.accordsoft.co.in Gaddad, if this helps please login to Mark As Answer. \| Alert Moderator

Look at this example of how it can be done in Javascript:

<html>

<head>
<script type="text/javascript">

<!--
function validateEmail() {
var emailText = document.getElementById('email').value;
var pattern = /^[a-zA-Z0-9\-_]+(\.[a-zA-Z0-9\-_]+)*@[a-z0-9]+(\-[a-z0-9]+)*(\.[a-z0-9]+(\-[a-z0-9]+)*)*\.[a-z]{2,4}$/;
if (pattern.test(emailText)) {
return true;
} else {
alert('Bad email address: ' + emailText);
return false;
}
}

window.onload = function() {
document.getElementById('email_form').onsubmit = validateEmail;
}
</script>

</head>
<body>

<form id="email_form">
<input type="text" id="email">
<input type="submit">
</form>

</body>
</html>

www.accordsoft.co.in

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Posted by: Vuyiswamb on: 12/23/2009 [Member] [MVP] [Administrator] NotApplicable

0	create a Function that will validate the e-mail function validate(form_id,email) { var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/; var address = document.forms[form_id].elements[email].value; if(reg.test(address) == false) { alert('Invalid Email Address'); return false; } } and use it like this <form id="form_id" method="post" onsubmit="javascript:return validate('form_id','email');"> <input type="text" id="email" name="email" /> <input type="submit" value="Submit" /> </form> Thank you for posting at dotnetfunda Vuyiswa Maseko Thank you for posting at Dotnetfunda [Administrator] Gaddad, if this helps please login to Mark As Answer. \| Alert Moderator

create a Function that will validate the e-mail


function validate(form_id,email) {

   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;

   var address = document.forms[form_id].elements[email].value;

   if(reg.test(address) == false) {

      alert('Invalid Email Address');

      return false;

   }

}

and use it like this

<form id="form_id" method="post"  onsubmit="javascript:return validate('form_id','email');">

   <input type="text" id="email" name="email" />

   <input type="submit" value="Submit" />

</form>

Thank you for posting at dotnetfunda

Vuyiswa Maseko

Thank you for posting at Dotnetfunda
[Administrator]

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Posted by: Rcsprakash on: 1/15/2010 [Member] Starter

0	try this . it will solve your problem function checkEmail(strReceived) { var emailRegex=/^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+))\|(\".+\"))@((\[(2([0-4]\d\|5[0-5])\|1?\d{1,2})(\.(2([0-4]\d\|5[0-5])\|1?\d{1,2})){3} \])\|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/; if(!emailRegex.test(strReceived)) { return false; } return true; } Gaddad, if this helps please login to Mark As Answer*. \| Alert Moderator

try this . it will solve your problem

function checkEmail(strReceived)
{
var emailRegex=/^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[(2([0-4]\d|5[0-5])|1?\d{1,2})(\.(2([0-4]\d|5[0-5])|1?\d{1,2})){3} \])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
if(!emailRegex.test(strReceived))
{
return false;
}
return true;
}

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