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Copy Editor: A RegEx Puzzle: can your PC run it? Price and reviews | GameSelector

Copy Editor: A RegEx Puzzle

Christopher Jarvis / Oct 14, 2021 / Casual, Indie, Simulation, Strategy

windows
Mac
linux

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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!

Can your PC run it?

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Part	Your PC	MinimumNot sure	RecommendedNot sure
CPU	Not set	1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64) processor Can't tell	Not listed Can't tell
GPU	Not set	Integrated Graphics Can't tell	Not listed Can't tell
RAM	Not set	500 MB RAM Can't tell	Not listed Can't tell

What's new

Steam Autumn Sale

2025-09-29

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/developer/cmm

Open on Steam

What players say

Mixed

49% positive, 43 reviews

Not recommended6 hrs played

Sadly Im also agreeing with bad reviews here. Great potential. Fails to deliver the lesson before it gives you puzzle. Every regex rule should have one lesson and then it can also dive into some tricks to ease the work, but it is not doing much. The star system is badly implemented, it demotivates. while, similar to Zachtronics, its giving a graph, which would be on its own enough to hint that perhaps robust solution...

2 found this helpful, 2025-10-20

Not recommended1 hrs played

Recommendation: Not Recommended I bought "Copy Editor" hoping to get better at practical, real-world Regex, but I have ended up incredibly frustrated by the game's artificial throttling. Instead of letting you solve text challenges using standard, elegant, and efficient Regex patterns, the game constantly locks basic syntax elements (like the * or ? quantifiers, or $1 backreferences in the replace field). While the...

1 found this helpful, 2026-06-18

Not recommended0 hrs played

The game instruction does not exist at all

0 found this helpful, 2026-01-04