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Illustration of Regex Tester

Regex Tester

Test a JavaScript regular expression right in your browser.

🔒 100% local

ExpressionFlagsText

Simple tools and a universe to explore.
100 mini apps and 30 games, right in your browser.

No account neededNo installationMobile friendly

Explore

My Luxembourg Apps Datamac Games Shadows & Light · Books

Steve Cimolino

cimolino.lu ↗All books by the author ↗Credits & privacy

© 2026 Steve Cimolino · Datamac · Shadows & Light universe / Molino“Knowledge brings light.”