local pattern = "^/tmp/.*/%d+_Luapad%.lua$" local group = vim.api.nvim_create_augroup('LuaPadFiletype', {clear=true}) vim.api.nvim_create_autocmd("FileType", { group = group, callback = function(data) if data.file:match(pattern) then vim.bo[data.buf].filetype = "lua.luapad" end end })