Undefined field `gsub` for string:gsub · Issue #567 · LuaLS/lua-language-server · GitHub
Programming in Lua - errata
GitHub - sassoftware/iot-lua-split-string-by-delimiter: This project will give an example of a custom function which can be used to split an incoming string by a user defined delimiter.
Recreation of lua's get all global functions - Community Resources - Developer Forum | Roblox