Like you said - no bigie, it works like a charm:
if ( empty($_REQUEST['name']) ) {
$pass = 1;
$alert .= $emptyname;
} elseif ( preg_match( "/[][{}()*+?.\\^$|]/", $_REQUEST['name'] ) ) {
$pass = 1;
$alert .= $alertname;
}
if ( empty($_REQUEST['email']) ) {
$pass = 1;
$alert .= $emptyemail;
} elseif ( !preg_match("#^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$#i", $_REQUEST['email']) ) {
$pass = 1;
$alert .= $alertemail;
}
if ( empty($_REQUEST['message']) ) {
$pass = 1;
$alert .= $emptymessage;
} elseif ( preg_match( "/[][{}()*+?\\^$|]/", $_REQUEST['message'] ) ) {
$pass = 1;
$alert .= $alertmessage;
}
Thank you guys