https://junfff.github.io/categories/lua/ Recent content in Lua on Hello Hugo Hugo -- gohugo.io en james922@163.com (James) james922@163.com (James) ©2023, All Rights Reserved Fri, 10 Jun 2022 17:21:02 +0800 https://junfff.github.io/posts/lua/2022-06-10-luastring/ Fri, 10 Jun 2022 17:21:02 +0800 james922@163.com (James) Fri, 10 Jun 2022 17:21:02 +0800 https://junfff.github.io/posts/lua/2022-06-10-luastring/ -- -- lua -- 判断utf8字符byte长度 -- 0xxxxxxx - 1 byte -- 110yxxxx - 192, 2 byte -- 1110yyyy - 225, 3 byte -- 11110zzz - 240, 4 byte local function chsize(char) if not char then print("not char") return 0 elseif char > 240 then return 4 elseif char > 225 then return 3 elseif char > 192 James Unity Lua