标签: regex perl pattern-matching
如何进行模式匹配" Iface名称:bnx2i.00:17:a4:77:14:2f"究竟?之前和之后不应有空格或新行。
答案 0 :(得分:0)
my $if = "Iface Name: bnx2i.00:17:a4:77:14:2f"; if ($if =~ /^Iface Name: ([a-f0-9]+\.(?:[a-f0-9]{2}:){5}[a-f0-9]{2})\z/) { print $1; }