The Fast Lexical Analyzer - scanner generator for lexing in C and C++

Create ridiculously fast Lexers

DFA regular expression library & friends

The fast scanner generator for Java™ with full Unicode support

BNF Converter

Yet another high-performance C++ regex library and lexical analyzer generator like Flex: extends Flex++ with Unicode support, indent/dedent anchors, lazy quantifiers, functions for lex and syntax error reporting and more. Seamlessly integrates with Bison and other parsers.

a parser and lexer generator as a Rust procedural macro

a C# embeddable lexer and parser generator (.Net core)

A lexical analyser generator for Haskell

Generates generalised LL (GLL) and reduced size LR(1) parsers with matching lexers

Lexer Generator and Parser Generator as a Library in Nim.

Fast lexer code generator for Rust

clex is a simple lexer generator

A fully-featured lexer generator, implemented as a proc macro

Tools for building compilers, interpreters, and analysis tools in F#

The Parser Construction Kit ("Puck"): A Parser Generator and Grammar Translator in C#

Generic tokenizer written in Nim language 👑 Powered by std/lexbase and Nim's Macros

A multiparadigm language intended to be embedded in .NET applications or compiled into other languages like Python or PHP. The internals of Aphid are clean and easy to work with, allowing for rapid creation of derivative domain-specific languages.

Configurable lexer for PHP featuring a fluid API.

🍁 Compiler Compiler based on CSharp with GUI Program

A tiny lexical analyser generator

C++17 (CLI/embeddable) Lexical Scanner Generator

Lexical analyzer for Javascript developers

An open source lexer generator

My portfolio contains a lexer generator, a parser generator, my own λProlog interpreter, and several meta-theorems for the propositional logic with their proofs written in Coq.

The Abstract Programming Language Interface (APLI) is a framework for generating Abstract Syntax Trees (ASTs) to enable developers to create domain-specific languages faster.

Lexer / tokenizer

Loads a ANTLR4 grammar file and compiles it to JavaScript

Simplified token definition and lexer creation library for use with Chevrotain.

Regular Expressions and Lexing with DFAs