lua字符匹配

匹配下列格式的数据中的 source和MAC地址：

Chain WiFiDog_br-lan_Outgoing (1 references)
    pkts      bytes target     prot opt in     out     source               destination         
     705   109595 MARK       all  --  *      *       10.1.1.191           0.0.0.0/0            MAC C4:6A:B7:6F:7A:AB MARK or 0x200
     705   109595 MARK       all  --  *      *       10.1.1.192           0.0.0.0/0            MAC C4:6A:B7:6F:7A:BB MARK or 0x200
     705   109595 MARK       all  --  *      *       10.1.1.193           0.0.0.0/0            MAC C4:6A:B7:6F:7A:CB MARK or 0x200
     705   109595 MARK       all  --  *      *       10.1.1.194           0.0.0.0/0            MAC C4:6A:B7:6F:7A:DB MARK or 0x200

local file

file = io.open("format", "r")

for line in file:lines() do
    print(string.match(line, "%d+.%d+.%d+.%d+"))
    print(string.match(line, "%x+:%x+:%x+:%x+:%x+:%x+"))
end
file:close()

执行结果如下

>lua -e "io.stdout:setvbuf ‘no‘" "match.lua"
nil
nil
nil
nil
10.1.1.191
C4:6A:B7:6F:7A:AB
10.1.1.192
C4:6A:B7:6F:7A:BB
10.1.1.193
C4:6A:B7:6F:7A:CB
10.1.1.194
C4:6A:B7:6F:7A:DB
>Exit code: 0

原理如下：

http://www.cnitblog.com/kenlistian/archive/2008/10/15/50292.html

lua字符匹配,布布扣,bubuko.com

lua字符匹配

原文：http://blog.csdn.net/qianguozheng/article/details/28449257