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Tools::IPV4OCTET: move longer alternatives forward

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In an alternation /a|b|c/ the first match matches, so while
'1.1.1.121' matches /^$IPV4RE$/ (note the ^ and $ anchors),
parsing a line like /nameserver ($IPV4RE)/ would only
extract '1.1.1.12', ignoring the last '1' due to the /[1-9]/
alternative matching before the /1[0-9]/ one.
This commit is contained in:
Wolfgang Bumiller 2015-10-05 09:30:57 +02:00 committed by Dietmar Maurer
parent 176b1186bd
commit cd9bd2526a
1 changed files with 1 additions and 1 deletions
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src/PVE/Tools.pm
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@ -47,7 +47,7 @@ my $pvetaskdir = "$pvelogdir/tasks";
mkdir $pvelogdir;
mkdir $pvetaskdir;
my $IPV4OCTET = "(?:25[0-5]|(?:[1-9]|1[0-9]|2[0-4])?[0-9])";
my $IPV4OCTET = "(?:25[0-5]|(?:2[0-4]|1[0-9]|[1-9])?[0-9])";
our $IPV4RE = "(?:(?:$IPV4OCTET\\.){3}$IPV4OCTET)";
my $IPV6H16 = "(?:[0-9a-fA-F]{1,4})";
my $IPV6LS32 = "(?:(?:$IPV4RE|$IPV6H16:$IPV6H16))";