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use 5.010; my @lines = ("ip:192.168.243.1", "ip:192.168.243.2" =~ ... __END__ ip:192.168.243.1 ip:192.168.243.2
my @lines; $lines[0] = "ip:192.168.243.1"; push @lines, $1 if "ip:192.168.243.2" =~ /(ip:[0-9]{1,3}\.[0-9]{1,3}\. +[0-9]{1,3}\.[0-9]{1,3})/;