區別Lua模式匹配中 %a+ 與 .-
阿新 • • 發佈:2018-11-05
匹配單詞與匹配字元
> print(string.gsub("hello!zzy","%a+","tina"))
tina!tina 2
> print(string.gsub("hello!zzy",".-","tina"))
tinahtinaetinaltinaltinaotina!tinaztinaztinaytina 10
%a :匹配字母
. :匹配任意字元
> 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
字元短匹配與長匹配:
> test="/*tina*/;/*zz*/"
> print(string.gsub(test,"/%*.*%*/","new"))
new 1
> print(string.gsub(test,"/%*.-%*/","new"))
new;new 2