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regexdev
regexdev : Visualizer&Debugger and Editor for regex
I'm excited to share regexdev – a visualizer, debugger, and editor for C#-style regular expressions that makes regex actually *visible* and *understandable*.
What sets it apart?
- 🌳 AST-based visualizer – see the hierarchical structure of your pattern instantly
- 🐛 Step-by-step debugger – watch the matching engine execute one step at a time
- 📍 Breakpoints – pause execution at any point to inspect internal state
- ✅ Continuous verification – matching results are validated against the official C# regex engine, with warnings if anything differs
- 🔧 Full support for advanced features like balancing groups
The parser is open source under the MIT license, and the full tool is actively being refined. Whether you're a developer debugging complex patterns, a teacher demonstrating regex concepts, or a student trying to understand how regex engines really work – regexdev turns regex from a black box into a transparent, debuggable experience.
Try it now at www.regexdev.com, and check out the repo: github.com/longxya/regexdev.
I'd love to hear your feedback – let me know what features you'd like to see next!
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About regexdev on Product Hunt
“regexdev : Visualizer&Debugger and Editor for regex”
regexdev was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #50 on the daily leaderboard. Visualizer, editor and Debugger for regular express.
regexdev was featured in Developer Tools (516.3k followers), GitHub (41.3k followers), Tech (628.5k followers) and Development Language (1.8k followers) on Product Hunt. Together, these topics include over 268.8k products, making this a competitive space to launch in.
Who hunted regexdev?
regexdev was hunted by xia long. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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xia long