Regex Tester Pro — Prueba, Depura y Crea Expresiones Regulares
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Prueba, depura y domina regex en tu navegador. Generación con IA, soporte multi-sabor y resaltado en tiempo real.
Tired of switching to regex101 every time you need to test a pattern? Stop context-switching and start testing regex right inside your browser.
Regex Tester Pro gives you a lightning-fast, offline regex engine with real-time match highlighting, capture group inspection, and AI-powered pattern generation — all in a clean popup.
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WHY REGEX TESTER PRO?
Unlike other regex tools, Regex Tester Pro:
• Works 100% offline — no data ever leaves your browser
• AI generates regex from plain English descriptions
• Right-click any selected text to test it instantly
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FEATURES
✦ Real-Time Match Highlighting
See matches light up instantly as you type your pattern. Zero lag, zero waiting.
✦ AI Regex Generation (3 free/day)
Describe what you want to match in plain English. Get a working regex pattern in seconds.
✦ Capture Group Inspector
View numbered and named capture groups from your first match. Debug complex patterns without guesswork.
✦ Find & Replace
Test regex-based string replacements live. See the output update as you refine your pattern.
✦ One-Click Flag Toggles
Switch between g, i, m, s, u, y flags with a single click. No typing, no syntax errors.
✦ Context Menu Integration
Select text on any page, right-click, and test regex on it immediately. The fastest way to go from idea to pattern.
✦ Pattern History
Save up to 10 patterns for free (unlimited with Pro). Recall and reuse your favorites.
✦ Dark Mode
Automatic system theme detection or manual toggle. Easy on the eyes during late-night debugging.
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PERFECT FOR
→ Web developers who write validation patterns daily
→ Data engineers who parse logs and extract structured data
→ QA engineers who build test assertions with regex
→ Students learning regular expressions hands-on
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HOW IT WORKS
1. Click the extension icon to open the popup
2. Type or paste your regex pattern
3. Enter a test string and see matches highlighted in real-time
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PRIVACY & TRUST
✓ No data collection — zero analytics, zero tracking
✓ Works 100% offline — your patterns stay on your device
✓ No remote code execution
✓ Open source: github.com/theluckystrike/regex-tester-pro
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PERMISSIONS EXPLAINED
storage: Saves your settings and pattern history locally on your device
activeTab: Lets the context menu interact with selected text on the current page
contextMenus: Adds "Test regex on selection" to your right-click menu
alarms: Resets daily AI usage counter and refreshes license status
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BUILT BY ZOVO
Part of the Zovo extension family — premium tools for developers and power users.
🌐 Website: https://zovo.one
📧 Support: [email protected]
💬 Feedback: We read every message
Latest reviews
- Nakshatra Nahar
- Great Extensions The one of the most useful stuff found on internet
- Asifur Rahman
- Regex Tester Pro is the best because it works one hundred percent offline and no data ever leaves my browser while AI generates regex from plain English descriptions. This tool makes testing much easier with real time highlighting and capture group inspection right in the browser so I do not have to switch to another site. I really like the right click functionality for instant testing and the simple layout that makes the features easy to understand for everyone. While I would love even more control over the patterns this is a great tool that does exactly what I need and I highly recommend it to my friends.
- Oliver K
- thank you, the extension is really great!!
- Arcus Fargin
- this extension saves a lot of time when working with complex patterns. Highly recommended for developers who want accuracy and efficiency in regex testing!
- Oyagi Akuma
- This is the best; unlike other regex tools, regex tester pro works 100% offline, and no data ever leaves my browser. AI generates regex from plain English descriptions. You can also right-click any selected text to test it instantly. it also gives you a faster offline regex engine with real-time match highlighting and capture group inspection. It is clean i would love to recommend it to my friends
- Yusuf Abdelfattah
- I really like using it, it is a time saver
- Sourav Vinodkumar
- This tool is very helpful and makes testing regex much easier. I like that everything works right in the browser and I do not have to switch to another site. The real time highlighting is fast and the AI suggestions save a lot of time when I am stuck. The layout is simple and the features are easy to understand. It would be nice to have even more control over the patterns, but overall this is a great tool that does exactly what I need.
- Waleria Stojanowska
- I really like Regex Tester Pro. It’s fast, works offline, and makes testing regex much easier with real-time highlighting. The AI generator is handy, and checking capture groups is simple. Definitely useful for anyone who works with regex.
- عبدالعليم اسماعيل
- Good and time-saving
- Edrian Jaron
- Finding a better extension for this, but Regex tester got me the most and effective UI i've searching for. It doesn't looks complicated than the online what i'm using, so I'm keep using this thank you!!
- Fargin tech
- a fanatastic and copacetic extension
- Contextly
- I’ve tested several tools in this category, but this extension truly stands out for its superior UI. It’s incredibly intuitive and keeps the browsing experience clutter-free. A perfect choice for anyone looking to achieve a more seamless and efficient workflow. Highly recommended!
- Lazar Antic
- I’ve been using Regex Tester Pro — Test, Debug & Build Regular Expressions, and it’s made working with regex much easier. The interface is clear, and I can instantly see matches and errors while testing patterns. It really helps with debugging complex expressions and saves a lot of trial and error. Fast, practical, and very useful for developers.
- Gimme Video
- Tried it and love it, great tool for regex!
- JonasJDS
- Honestly this regex tester is so much better than the online ones I used to use. It works offline which is great for privacy and the match highlighting is super fast. The AI generator actually helps a lot when I am stuck on a complex pattern. It is a solid tool for any developer.
- Siim Liimand
- Very useful tool
- SkillSet Nest
- I use this one to test all the time and it is very handy. In my case I really need it on a daily basis so this one is just perfect.
- Степан Медведев
- good extension!
- jamil ahmed
- it does what it says
- Orion Ventures
- I've tried a few similar extensions, but this one has the best UI by far. Very intuitive and doesn't clutter my browser. Highly recommended for anyone looking to streamline their workflow.
- 小爱同学
- I absolutely love Regex Tester Pro by Zovo! It’s fast, reliable, and makes testing regular expressions so much easier. The interface is intuitive, the results are clear, and it supports real-time input testing without lag. I use it daily for development and debugging, and it saves me a ton of time compared to other tools. Whether you’re a beginner or experienced developer, this extension is incredibly helpful and well worth installing! Highly recommended!