





Games Like Regex Game
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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Match strength key:80+65+50+<50About Regex 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:
So smart! Advanced Solution:
]*?href\s*=\s*[\"\']?(?[^\"\']+)[\"\']?[^>]*?>
( ˘•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
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~~
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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