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PHP - Proper Email Format

1.) Use this snippet to verify whether an email addressess format is valid. $email_add is the variable that is checked.

<?

if ((!ereg(".+\@.+\..+", $email_add)) || (!ereg("^[a-zA-Z0-9_@.-]+$", $email_add)))
echo "Invalid Email Format";
else
echo "Good Format";

?>

 
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