Regex Game
Release date: Jul 17, 2025
Developers: ZeroBitCode
Publishers: ZeroBitCode
Genres: Casual, Indie, Strategy
Categories: Single-player, Steam Achievements, Steam Cloud, Stats, Steam Leaderboards, Family Sharing
Supported languages: English, French, German, Spanish - Spain, Russian, Turkish, Japanese, Simplified Chinese, Traditional Chinese, Dutch, Portuguese - Portugal, Korean, Polish

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. Wooden Fish: Tapping the wooden fish increases the accuracy rate Regular Spelling of Words: Move characters to spell words Regular Ninja: Eliminate words that match a given regular expression Password Hint: Write a password that meets all the requirements for regular expressions Regex VS String 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~~