$code =~ s*&*4645654*g; $code =~ s*.([^&]+?),"([^&]+?), ([^&]+?)","*.$1,"$3 $2","*g; $code =~ s*.([^&]+?),"([^&]+?), ([^&]+?) 4645654 ([^&]+?)"*.$1,"$3 4645654 $4 $2"*g; $code =~ s*4645654*&*g;