pure php email validation
php :: using regular expressions
<?php
$email = 'someone@somewhere.com';
if (!eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $email)) {
//invalid email
} else {
//valid email
}
?>
<?php
$email = 'someone@somewhere.com';
if (!eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $email)) {
//invalid email
} else {
//valid email
}
?>