An implementation of regular expressions for Rust. This implementation uses finite automata and guarantees linear time matching on all inputs.

A full-featured regex engine in pure Go based on the .NET engine

A high-performance C++ regex library and lexical analyzer generator with Unicode support. 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 low level regular expression library that uses deterministic finite automata.

Pure Nim regex engine. Guarantees linear time matching

A regex implementation for the zig programming language

RE2JS is the JavaScript port of RE2, a regular expression engine that provides linear time matching

A web tools to generate regular expressions from set of strings. https://ibnuhx.com/regex-generator

clex is a simple lexer generator

A regex engine for AssemblyScript

Easily compose regular expressions without the need for double-escaping inside strings.

English to RegEx converter, powered by gpt-3.5-turbo and Vercel Edge Functions.

Compiling string matching algorithms and regular expressions to java bytecode

A fast DFA based Regex engine that supports submatches

Java regex library

Russ Cox/Rob Pike pikevm regex implementation

Yet Another Regular EXpresssion engine using backtracking and supporting AOT-compililation

R interface to Google re2 (C++) regular expression engine

Deterministic Regular Expressions with Backreferences

逐章解析正则表达式引擎工作原理，写出高效地错误率的正则表达式。本仓库为正则教程