PCRE2Project/pcre2

RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library.

Compile Time Regular Expression in C++

High-performance regular expression matching library

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

Extended JavaScript regular expressions

a clean C library for processing UTF-8 Unicode data

Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension, LoongArch64, POWER. Part of Node.js, WebKit/Safari, Ladybird, Chromium, Cloudflare Workers, Ghostty and Bun.