Helps developers and learners create and test regular expressions. It offers real-time match highlighting with color-coded results and supports capture groups and named groups.
Learn programming languages and tech frameworks through structured courses. Complete exercises and track progress. Access expert-led lessons and receive feedback on assignments. Sync learning achievements across devices.
Edit code with a lightweight code editor. Perform parallel file edits with diff operations. Run Ruby and Lua code directly. Index source code and documents for quick navigation. Search using Perl regex and filter files.
