Regular Expressions (Regex) are a powerful text pattern-matching tool used for searching, replacing, and validating strings. The game wraps Regex into text-based puzzle, allowing players to gradually master regular expressions as they progress through levels.
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Release Date:
2025
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Planned Release Date: 2025

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About This Game

Core Gameplay

Regular Expressions - an essential skill for programmers - become your puzzle-solving tool.

Starting with basic number matching, each level introduces new Regex rules with gradually increasing complexity.

30+ Meticulously Designed Levels covering fundamental Regex concepts through:

Accessible Design: 95% of the levels require no coding experience to pass perfectly. Players who can program can use their abilities to reduce the difficulty of the red level.

Brain Teasers: Regex-themed mini-games between chapters to consolidate skills. The subtle pace of the challenge helps to alleviate the frustration of a failed challenge.

First Challenge Example

Real-world Scenario: Identify email addresses in text:

Regex Tips:

\d matches digits

+ indicates "one or more" of preceding element

~ o(* ̄▽ ̄*)o That's right! Solution:

"Congratulations! You've cleared the toughest level in Chapter 2!"

(Quick Flip Book)

Web Crawling Simulation

Chapter 4 Challenge: Extract HTML links from tags:

<a id="policy_DeleteAccount" href="/WizenedDream/DeleteAccount.html"></a>

So smart! Advanced Solution:

\<a[^>]*?href\s*=\s*[\"\']?(?<URL>[^\"\']+)[\"\']?[^>]*?>

( ˘•ω•˘ ) What? Not yet?

Keep playing! The early levels will systematically build your skills to conquer advanced challenges.

(Players who can solve this problem should have studied regular expressions. The first 3 chapters are mainly for beginners, so please skip the level on your own according to your ability.)

Difficulty System

  • Green 

    • Time: 1-2 min

    • Goal: Learn individual Regex symbols

  • Blue 

    • Time: 3-5 min

    • Goal: Combine 3 symbols or fewer

  • Purple 

    • Time: 5-20 min

    • Goal: Solve real-world problems

  • Red 

    • Time: 30+ min

    • Goal: Tackle complex pattern analysis

Chapters 1-3: Green/Blue levels

Chapter 4+: Purple/Red challenges

AI assistance recommended for stuck moments.

~~Red levels: Where "simple" means 2 hours of glorious debugging~~

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

Some of the background music is generated using Suno

System Requirements

Windows
macOS
SteamOS + Linux
    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: win10/win11 64-bit
    • Processor: intel G5620
    • Memory: 4 GB RAM
    • Graphics: NVIDIA GTX 960 or AMD Radeon R9 280
    • DirectX: Version 11
    • Storage: 200 MB available space
    Recommended:
    • Requires a 64-bit processor and operating system
    • Memory: 8 GB RAM
    Minimum:
    • Requires an Apple processor
    • OS: MacOS 14 (Sonoma)
    • Processor: Apple M1 (Trial run tests on m2 only)
    • Memory: 4 GB RAM
    • Storage: 200 MB available space
    Recommended:
    • Requires an Apple processor
    • Processor: Apple M2
    • Memory: 8 GB RAM
    Minimum:
    • OS: Ubuntu 24.04 (Trial run tests on Ubuntu only)
    • Processor: x86-64 only
    • Memory: 4 GB RAM
    • Storage: 200 MB available space
    Recommended:
    • Memory: 8 GB RAM
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