Regex Tester
Real-time regex testing for developers
Regex Tester launched on March 7, 2026.
What it does
A fast and simple regex tester tool for developers. Test and debug regular expressions in real-time with instant feedback. Features include real-time matching with highlighted results, toggleable flags (global, case-insensitive, multiline, single-line), instant match capture, and live text preview. Built for developers who need quick regex validation without the bloat of larger tools. Free to use, no signup required. Open source on GitHub.
Web site created using create-react-app
Does a similar job
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Regex Cheatsheet2020 · ihateregex.io · ▲499A modern regular expression playground with live matching, visual railroad diagrams, rich notes, and easy sharing.
Regex.ai – AI-powered regular expression generator2023 · regex.ai · ▲294Regex.ai is an AI-powered tool that generates regular expressions. It can accurately generate regular expressions that match specific patterns in text with precision. Whether you're a novice or an expert, Regex.ai's intuitive interface makes it easy to input sample text and generate complex regular expressions quickly and efficiently. Overall, Regex.ai is a game-changer that will save you time and streamline your workflow.


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