Lua 模式匹配 "%a", ".","%A"

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~jd1

> 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