@array = (
'SecureQuery($_GET)       b',
'QueryFiasd($_POST)       g',
'$_GET[\'fsdf\']            g',
'DFSD $_POST[\'zzxcf\']     g',
'Secure($_GET[\'ggg\'])     b',
);

foreach $str (@array){    
    if ($str !~ m/Secure/ig){
	if($str =~ m/\$_\w{3,4}/ig){
	    print $str . "\n";
        }
    }
}