Regex Tester Pro Regular

✨ AI-Powered

👥 34 users

📦 v1.1.7

💾 229KiB

📅 2026-03-03

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Overview

Regex Tester Pro - Test, debug and build regular expressions right in your browser. AI-powered generation, real-time highlighting, capture groups. No context-switching to regex101.

Stop switching tabs to test a pattern. Regex Tester Pro gives you a lightning-fast, 100% offline regex engine with real-time match highlighting, capture group inspection, and AI-powered pattern generation - all in a clean popup.

FEATURES

Real-Time Highlighting - See matches light up instantly as you type. Zero lag, zero waiting.
AI Regex Generation - Describe what to match in plain English. Get a working pattern in seconds. 3 free/day.
Capture Group Inspector - View numbered and named groups from your first match. Debug complex patterns.
Find & Replace - Test regex replacements live. See output update as you refine your pattern.
One-Click Flags - Toggle g, i, m, s, u, y flags with a single click. No syntax errors.
Context Menu - Select text on any page, right-click test regex instantly. Fastest workflow.
Pattern History - Save up to 10 patterns free (unlimited Pro). Recall and reuse favorites.
Dark Mode - Auto system theme detection or manual toggle. Easy on eyes during late-night debugging.

PERFECT FOR

Web developers writing validation patterns daily
Data engineers parsing logs and extracting structured data
QA engineers building test assertions with regex
Students learning regular expressions hands-on
DevOps filtering log streams with grep/sed patterns

HOW IT WORKS: Click icon Type regex Enter test string See matches highlighted

Right-click any selected text "Test regex on selection"

FREE: Real-time testing, flags, find/replace, 10 saved patterns, 3 AI/day, dark mode
PRO: Unlimited patterns, unlimited AI, multi-flavor support, export matches

PRIVACY: 100% offline. No data collection. No tracking. No remote code execution.
Open source: github.com/theluckystrike/regex-tester-pro
https://zovo.one/privacy/regex-tester-pro

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