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Start training on this collection. Each time you skip or complete a kata you will be taken to the next kata in the series. Once you cycle through the items in the collection you will revert back to your normal training routine.

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Back to KinderGarten II : Where's Aïcha ? (eeeasy)
19ZozoFouchtra
Status:Waiting for issues to be resolved
Estimated Rank:
7 kyu
Strings
Arrays
Fundamentals
6 kyu
Chess Aesthetics
93sgerodes
Algorithms
Strings
6 kyu
Next Version
2,048AzariasB
Arrays
Strings
Algorithms
Retired
Ordinal number check (retired)
24MercQueen
Status:Retired
Estimated Rank:
5 kyu
Puzzles
Strings
Data Types
Numbers
Games
Regular Expressions
Declarative Programming
Advanced Language Features
Programming Paradigms
Fundamentals
Retired
Proofreading task: find all duplicate words in a multilingual text (retired)
13Art67
Status:Retired
Estimated Rank:
6 kyu
Regular Expressions
Fundamentals
Retired
Deduplicate a sentence: remove remove duplicate words (retired)
16DominicDigital
Status:Retired
Estimated Rank:
5 kyu
Regular Expressions
Algorithms
6 kyu
Regex Tic Tac Toe Win Checker
1,240tachyonlabs
Games
Regular Expressions
Fundamentals
Beta
Extract currencyFormat / relevant information from given currencyString
26sheuser
Status:Waiting for issues to be resolved
Estimated Rank:
6 kyu
Regular Expressions
Fundamentals
Retired
Time formatting from input. Regex kata (retired)
18Kardanas
Status:Retired
Regular Expressions
Fundamentals