匹配单词与匹配字符
> print(string.gsub("hello!zzy","%a+","tina"))
tina!tina 2
> print(string.gsub("hello!zzy",".-","tina"))
tinahtinaetinaltinaltinaotina!tinaztinaztinaytina 10
%a :匹配字母
. ：匹配任意字符
> print(string.gsub("zzy!jd","%a","~")) ~~~!~~ 5 > print(string.gsub("zzy!jd","%A","~")) zzy~jd 1 > print(string.gsub("zzy!jd",".","~")) ~~~~~~ 6 > print(string.gsub("zzy!jd",".-","~")) ~z~z~y~!~j~d~ 7
字符短匹配与长匹配：
> test="/*tina*/;/*zz*/" > print(string.gsub(test,"/%*.*%*/","new")) new 1 > print(string.gsub(test,"/%*.-%*/","new")) new;new 2
原文：http://www.cnblogs.com/zzy-frisrtblog/p/5938956.html