A tiny, dependency-free regex engine for Go: guaranteed linear-time matching (no ReDoS), a fluent builder, and Explain() to describe any pattern in plain English.

Linear-time, ReDoS-safe C++20 header-only regex engine with bounded lookarounds + an re-compatible Python binding

A linear-time regular-expression engine (Pike VM) built from scratch. Immune to ReDoS: on (a+)+$ Python's re grows exponentially while rejit stays flat. Every CI run cross-checks 10,000 generated pattern/text pairs against re — zero disagreements.

A bare-metal regular expression engine in pure C. No external libraries, just raw code.

A linear-time regular expression engine (Thompson NFA + Pike VM) with capture groups for Standard ML.