QuickRegex - Regex Generator

QuickRegex is a regular expression tester and learning tool for developers and learners. Type a pattern to see matches instantly, preview replacements, step through matching in the debugger, and master regex through interactive lessons. No account is needed, and everything runs on your device. ▸ LIVE PATTERN MATCHING • Real-time match highlighting with color-coded results • Support for capture groups and named groups • Multiple regex options (case-insensitive, multiline, etc.) ▸ FIND & REPLACE • Live preview of replacements • Support for backreferences ($1, $2, etc.) ▸ INTERACTIVE LEARNING • 26 structured lessons from beginner to advanced • Hands-on exercises with instant feedback • Progress tracking and hints system • Quick reference cheat sheet and quiz mode ▸ REGEX DEBUGGER • Step-by-step execution visualization • See exactly how the regex engine matches • Spot backtracking ▸ TEST SUITE • Create and save test cases • Performance benchmarking • Checks for risky patterns such as catastrophic backtracking ▸ CODE EXPORT • Generate code for Swift, Python, JavaScript, and more • Copy-ready snippets for immediate use Great for developers, QA engineers, data analysts, and anyone working with text processing. Whether you're a regex beginner or expert, QuickRegex helps you work faster.