fix some regular expressions mixups

Replacing some (:?...) with (?:...) which makes more sense
here.

diff --git a/src/PVE/Firewall.pm b/src/PVE/Firewall.pm
index 08ca3c122161fca975cc93cd8ec2ce3a561161a4..3bb4d68b9c2290bc0f9c39191cbfdc6f78524d28 100644 (file)
--- a/src/PVE/Firewall.pm
+++ b/src/PVE/Firewall.pm
@@ -1513,12 +1513,12 @@ sub iptables_get_chains {
 
        return 1 if $name =~ m/^PVEFW-\S+$/;
 
-       return 1 if $name =~ m/^tap\d+i\d+-(:?IN|OUT)$/;
+       return 1 if $name =~ m/^tap\d+i\d+-(?:IN|OUT)$/;
 
-       return 1 if $name =~ m/^veth\d+i\d+-(:?IN|OUT)$/;
+       return 1 if $name =~ m/^veth\d+i\d+-(?:IN|OUT)$/;
 
-       return 1 if $name =~ m/^fwbr\d+(v\d+)?-(:?FW|IN|OUT|IPS)$/;
-       return 1 if $name =~ m/^GROUP-(:?[^\s\-]+)-(:?IN|OUT)$/;
+       return 1 if $name =~ m/^fwbr\d+(v\d+)?-(?:FW|IN|OUT|IPS)$/;
+       return 1 if $name =~ m/^GROUP-(?:[^\s\-]+)-(?:IN|OUT)$/;
 
        return undef;
     };