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Copy Editor is an addicting puzzle game that teaches you Regular Expressions, commonly used in computer science and language theory. See Copy Editor and others on our developer page: https://store.steampowered.com/devel…
Steam
Copy Editor: A RegEx Puzzle
Also known as Copy Editor: A RegEx Puzzle, cearp, copy editor a regex puzzle
Copy Editor is an intricate puzzle game that teaches you Regular Expressions (RegEx), commonly used in computer science and language theory. Build complex rules that process and revise famous texts for your wacky and demanding publisher!
Last update
19 May 2026
Players now
0
Original sources
1
Latest update
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Browse past updates and patch notes for this game.
- June 2025
- Steam Summer SaleCopy Editor is an intricate puzzle game that teaches Regular Expressions (RegEx), commonly used in computer science and language theory. Play a demo and then buy at a Summer Sale special price! Also try our newest math…
- December 2024
- Steam Winter SaleCinq-Mars Media games are 20-70% off till January 2! Happy Holidays! Whether you want to learn and practice Regular Expressions for programming, or you are a casual gamer looking for a fun challenge, play Copy Editor! N…
- November 2024
- Copy Editor discounted in the Steam Autumn Sale!Copy Editor is an addicting puzzle game that teaches you Regular Expressions, commonly used in computer science and language theory. Word game aficionados should also try our newest game, CrossAbout! Copy Editor trailer:
- October 2024
- New Level in Celebration of a New Game Release!We just released a new game, CrossAbout, so in celebration we've updated Copy Editor with the latest frameworks and a brand new level! We tried to be even more diabolical with this puzzle than the last, and even tease o…
- June 2024
- Steam Summer SaleFind a new favorite and save now! Copy Editor Trade Bots Lazy Chess The Devil's Calculator Synonymy Always free to educators and students!
- March 2024
- Steam Spring SaleIncluding Copy Editor, Trade Bots, Lazy Chess, The Devil’s Calculator, and Synonymy Play demos, find your new favorite, and buy it at a low price! Proceeds benefit the Cinq-Mars Media Nonprofit mission of developing edu…
- December 2023
- Steam Winter SaleCopy Editor, a game of Regular Expressions, is just one of the games from Cinq-Mars Media, all on sale now! Try our demos and find a new favorite!
- November 2023
- Copy Editor and other Cinq-Mars Media games discountedTry a free demo and get Copy Editor at a discounted price now! Cinq-Mars Media games are always free to educators and students who contact us.
- June 2023
- Steam Summer SaleAll Cinq-Mars Media games are on sale during Steam's summer event! Try a demo and find a new favorite!
- New Levels, Features, Bug Fixes & Performance + Stability Improvements!In celebration of our non-profit's latest release, Trade Bots, our team has made a long overdue update to the project. Along with several bug fixes (shout out to @vapier on github for his awesome pull requests and sugge…
- April 2023
- Copy Editor 60% off during Steam Puzzle Fest!Get Copy Editor at 60% off during the Steam Puzzle Fest! Copy Editor is an addicting game which teaches Regular Expressions, commonly used in computer science and language theory. Build complex rules that process and re…
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