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<?php
function validate_email($email) {
$regexp = "^([_a-z0-9-]+)(\.[_a-z0-9-]+)*@([a-z0-9-]+)(\.[a-z0-9-]+)*(\.[a-z]{2,6})$";
if (eregi($regexp, $email)) return 1;
else return 0;
}
if (isset($_POST['submit'])){
echo "Hi ".$_POST['name']."!<br />";
if (validate_email($_POST['email']))
echo "The address ".$_POST['email']." is valid!";
else
echo "The address <strong>".$_POST['email']."</strong> is invalid!";
}
?>
<form action="index.php" method="post">
Name:<input type="text" name="name" value="" />
Email Address:<input type="text" name="email" value="" />
<input type="submit" name = "submit" value="Go!" />
</form>
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