RegexQuick
Test regex live, understand what each part does, and grab ready-made patterns for common tasks.
Regular expressions made practical
RegexQuick is built for developers who need to test, debug, and find regex patterns quickly. The live tester highlights matches in real-time as you type, with character-level position reporting. The explainer breaks any pattern down into its component parts with plain-English descriptions. And the pattern library provides battle-tested regex for the most common validation and parsing tasks.
The tester uses JavaScript's native RegExp engine, which means patterns work exactly as they will in your JS, TypeScript, or Node.js code. Flag toggles (global, case-insensitive, multiline, dotAll) let you test different matching modes instantly. All processing is client-side — your test data never leaves your browser.