High-Performance Commercial Native Suite

High-Speed PCRE Regex Analyzer & Backtracking Detector

PCRE regular expression visual workbench with real-time match highlighting, catastrophic backtracking detection, and multi-language code export.

Buy Lifetime License ($19.99) Test Live Engine Demo

Competitor Comparison Why RegexLab Tester Is Cheaper & Better

Save $20+ vs RegexBuddy ($39.95) / RegExr (Cloud with privacy leak risk)

Traditional Alternative:

RegexBuddy ($39.95) / RegExr (Cloud with privacy leak risk)

$39.95 single-seat or cloud web tools

Outdated Windows-only software from 2012, or web tools that leak sensitive customer data and regexes over the web

Vivian Commercial Engine:

$19.99 One-Time Perpetual

100% Offline Air-Gapped C++17

One-time $19.99 perpetual license, 100% offline privacy, built-in ReDoS catastrophic backtracking detector

Native Desktop Application • Real GTK3 Program Screens

Live Compiled Binary Technical Wiki →

Core Engine Capabilities

Sub-microsecond PCRE match benchmarking across mega-byte inputs
Catastrophic exponential backtracking static analysis warning
Color-coded capture group tree with named group extraction
Export ready-to-run code snippets for C++, Python, Rust, and Go

Dual GUI & Console Interface

Designed for automated batch pipelines and power users alike. Features a high-performance native desktop GUI (GTK3 on Linux / Win32 on Windows) alongside a headless command-line interface with scriptable switches.

# Run native desktop GUI:

./regexlab --gui

# Headless batch processing:

./regexlab --bench-regex

Interactive Engine Testbed

Microsecond Benchmarking

Test the live commercial engine execution in your browser through Cloudflare Cloud Platform:

Click 'Execute Engine Test' to dispatch benchmark telemetry...

Perpetual Commercial License

$19.99 / one-time

Dual Linux x86_64 & Windows Binaries
Native GUI + Headless Console CLI
Node-Locked Ed25519 License Key (2 Seats)
Free Minor Updates & Cloudflare Edge Access