valid_email_address($mail)Verify the syntax of the given e-mail address.
Empty e-mail addresses are allowed. See RFC 2822 for details.
$mail A string containing an e-mail address.
TRUE if the address is in a valid format.
includes/common.inc, line 1052
<?php
function valid_email_address($mail) {
return (bool)filter_var($mail, FILTER_VALIDATE_EMAIL);
}
?>