Edita Logoedita

Regex Tester

Test, validate, and debug regular expressions instantly. See matches, capture groups, and named groups highlighted in real time as you type.

STEP 1

Pick

STEP 3

Save

Fast. Local. Effortless.

Manage your sensitive files with zero uploads. Everything happens directly in your browser.

01

Enter a Pattern

Type your regular expression into the pattern field and set flags like global, case-insensitive, and multiline.

02

Paste Your Test String

Add any text to the test string area. Matches are highlighted live as you type — no submit button needed.

03

Inspect Results

Explore every match, its index, capture groups, and named groups in the collapsible match inspector.

FEATURES

Real-Time Matching

Instantly see every match, capture group, and named group as you type — no button clicks needed.
PRIVACY

100% Private — Runs in Your Browser

All regex evaluation happens locally using the JavaScript engine. Your text never leaves your device.

Frequently Asked Questions

Everything you need to know about our private, browser-based file tools.

Still have questions? Contact us or check our How it Works page.

Secure & Fast Regex Tester in Your Browser

Format incompatibility slows digital workflows down. Edita's browser-based Regex Tester tool lets you convert, adapt, and process your files without uploading them to any third-party server. All processing happens locally using WebAssembly — delivering the speed of a desktop application with the convenience of a browser tab.

Why Edita Handles Files Better

By running file operations through WebAssembly in your browser, Edita keeps your data strictly on your device. Your files are processed using your computer's own CPU — never transmitted, never stored, never seen by any server. There's no upload queue, no server lag, and no artificial file size limit.

Continue optimizing your media workflow with our completely free Image Compressor or explore our full suite of browser-based file tools.