Welcome to Lark’s documentation!
Lark is a modern parsing library for Python. Lark can parse any context-free grammar.
Advanced grammar language, based on EBNF
Three parsing algorithms to choose from: Earley, LALR(1) and CYK
Automatic tree construction, inferred from your grammar
Fast unicode lexer with regexp support, and automatic line-counting
$ pip install lark
How to write a DSL - Implements a toy LOGO-like language with an interpreter
JSON parser - Tutorial - Teaches you how to use Lark
Program Synthesis is Possible - Creates a DSL for Z3
Using Lark to Parse Text - Robin Reynolds-Haertle (PyCascades 2023) (video presentation)