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JSONLens
Inspect any JSON: live tree, search, one-click dot-paths.
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RegexRay
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RegexRay
Test regex live: highlighted matches, groups, replace preview.
RegexRay is a terminal-style regex tester: type a pattern (or a /pattern/flags literal) and every match lights up in your test text, with numbered and named capture groups broken out per match. Flip to replace mode for a live $1/$<name> preview, load common patterns from the cheatsheet, and copy your pattern as a JavaScript, Python, or Go literal. Built end-to-end with AI, and the entire tool ships as a single downloadable HTML file you can read and remix.
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#regex#tester#developer#matching#replace#offline
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Get the code
Own it. Remix it. Ship it.
This launch ships its complete source as one self-contained HTML file. No build step, no backend, no strings attached.
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Single-file source — MIT licensed.
Download source (.html)Self-host
- 1. Download the file
- 2. Drop it on any static host (Vercel/Netlify/S3/your server)
- 3. Done — zero dependencies.
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Paste it into Claude, ChatGPT or Cursor together with the downloaded file.
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