Latest Guides
View all →Working with Binary Data in Lua 5.3+
Serialize and deserialize binary data using string.pack, unpack, and packsize. Covers format specifiers, endianness, and common pitfalls.
intermediate
LuaJIT FFI: Calling C from Lua
Learn how LuaJIT's FFI library lets you call C functions and use C data structures directly from Lua without writing extension modules.
intermediate
Parsing with LPeg and re
Parse structured text using LPeg, a PEG-based parsing library that ships with Lua 5.2+, and its companion re module.
intermediate
TCP and HTTP with LuaSocket
Learn to use LuaSocket for TCP client/server sockets, HTTP requests, URL parsing, and common networking patterns in Lua.
9 min read · intermediate
Parsing and Generating JSON in Lua
Learn how to parse and generate JSON in Lua using dkjson, cjson, and json.lua with practical examples and common gotchas.
intermediate