RegexRanger - Expression Tester

Instantly test and visualize Regular Expressions with a retro 80s Synthwave aesthetic.

RegexRanger is a lightning-fast, offline Regular Expression tester built for web developers, data scientists, and programmers. Instead of switching back and forth between your code editor and web-based regex testers, simply open RegexRanger in your toolbar to instantly validate your patterns. To make debugging code a little more fun, RegexRanger is wrapped in a breathtaking "80s Synthwave" aesthetic. It features a retro-futuristic 3D perspective grid, a glowing neon sun, and vibrant magenta and cyan typography that brings your toolbar to life. Key Features: Real-Time Visualization: Type your Regex pattern and watch as the matches highlight instantly inside your test string. Flag Support: Easily toggle standard regex flags like g (global), i (case-insensitive), or m (multiline) in a dedicated input field. Error Handling: Never crash your workflow. RegexRanger safely catches invalid expressions and warns you immediately without breaking the UI. Stunning Synthwave UI: Escape the boring, flat gray interfaces of modern dev tools. Enjoy a nostalgic, neon-soaked Vaporwave design right in your browser. 100% Offline & Private: Your sensitive test strings and data are perfectly safe. RegexRanger uses your browser's native JavaScript RegExp engine to process data locally. It requires zero permissions and never sends data to a server. Saddle up and wrangle those wild regular expressions. Install RegexRanger today!