Regex Tester
Overview
Real-time regex testing & matching with highlight, capture groups, and presets.
Regex Tester -- Real-Time Regular Expression Testing & Matching Test regular expressions in real-time with syntax highlighting, capture groups, and built-in presets. A must-have tool for developers. FEATURES: - Real-time regex matching with instant feedback - Syntax highlighting of matches in the test string - Capture group display - Regex flags support (g, i, m, s, u) - Built-in presets for common patterns (email, URL, phone, etc.) - Match count and execution time - Save and recall your own patterns HOW IT WORKS: 1. Click the extension icon 2. Enter a regex pattern and test string 3. See matches highlighted in real-time 4. View capture groups and match details PRIVACY: This extension processes everything locally in your browser. No data is collected, transmitted, or stored externally. Zero network requests. Essential for developers, QA engineers, data analysts, and anyone working with regular expressions.
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Details
- Version1.1.0
- UpdatedMarch 19, 2026
- Offered byt.mizuno27
- Size14.35KiB
- LanguagesEnglish
- Developer水野 達也
橋戸3-51-1 タウンハウス瀬谷12-5 横浜市瀬谷区, 神奈川県 2460037 JPEmail
t.mizuno27@gmail.comPhone
+81 80-3409-6533 - TraderThis developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes