lua中 string.find，查找获取字符串 string.gsub

> aaa='/p/v2/api/winapi/adapter/lgj'

> print(string.find(aaa, "^/.+/adapter/(.*)"))

1 28 lgj

> aaa='/p/v2/api/winapi/adapter/lgj/zy/l'

> print(string.find(aaa, "^/.+/adapter/(.*)"))

1 33 lgj/zy/l

> print(string.gsub('lgj/zy/l','/',':'))

lgj:zy:l 2

> print(string.sub('lgj/zy/l',1,5))

lgj/z

> print(string.find(aaa, '"(.+)"'))