A crossword puzzle game using regular expressions. Earn achievements completing puzzle challenges. Easy tutorials for people new to regular expressions.
RegExr: Learn, Build, & Test RegEx
RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
regex101: build, test, and debug regex
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
Parseword - A tricky wordplay game
Transform phrases through wordplay to solve cryptic crossword puzzles.
Fast regex search: indexing text for agent tools · Cursor
How we're building indexes for regular expression search so agents can find text in large monorepos without the 15-second ripgrep waits.
Game Programming Patterns
I’m here to help! Game Programming Patterns is a collection of patterns I found in games that make code cleaner, easier to understand, and faster.
Wordle - A daily word game
Guess the hidden word in 6 tries. A new puzzle is available each day.
brevity1swos/rgx
regex101 for the terminal — real-time matching, 3 engines, capture groups, replace mode, syntax highlighting, plain-English explanations, undo/redo, mouse support. Written in Rust.
Web Builders Weekly Crossword
A weekly crossword for web developers, themed around the web platform.
Smush
A daily word game. Each letter gets 5 uses. Except the gold one, which is always required.
OUTLIER · Daily Global Word Game Scored on Rarity
The daily global word game where rare words win. Same grid worldwide. Can you find what everyone else misses?
Pangrum - Daily Word Puzzle Game
Challenge yourself with Pangrum, a daily word puzzle game. Find words using seven letters, with a centre letter that must appear in every word. How many can you find?
Four Corners · Game 101
Play Four Corners — Game 101 (Oct 12, 2026). Sort twelve words into four categories around the board — four corner words belong to two at once.
mudcoders/awesome-mud
🖥 A curated list of bookmarks, tools, tutorials, and other cool resources for text-based game developers.