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About Regex Game Demo

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.

The Demo includes:

First 20 carefully designed levels (remainder unlocked in full version)

Beginner-friendly difficulty requiring no programming experience.

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 wordsRegular spelling of words

Regular Ninja: Eliminate words that match a given regular expression

Password Hint: Write a password that meets all the requirements for regular expressions

(Additional mini-games in full version)

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

(Full version exclusive)

Chapter 4 Challenge: Extract HTML links from tags:

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. All levels in the demo are designed for beginners, so please skip the levels on your own according to your ability.)