Kata Library: C# Practice
Sign Up
Time to claim your honor
Training
Practice
Complete challenging
Kata
to earn honor and ranks. Re-train to hone technique
Freestyle Sparring
Take turns remixing and refactoring others code through
Kumite
Community
Leaderboards
Achieve honor and move up the global leaderboards
Chat
Join our
Discord
server and chat with your fellow code warriors
Discussions
View our
Github Discussions
board to discuss general Codewars topics
About
Docs
Learn about all of the different aspects of Codewars
Blog
Read the latest news from Codewars and the community
Log In
Sign Up
Library
Collections
Newest
Oldest
Popularity
Positive Feedback
Most Completed
Least Completed
Hardest
Easiest
Name
Relevance
Low Satisfaction
All
My Languages
Agda (Beta)
BF (Beta)
C
CFML (Beta)
Clojure
COBOL (Beta)
CoffeeScript
CommonLisp (Beta)
Coq
C++
Crystal
C#
D (Beta)
Dart
Elixir
Elm (Beta)
Erlang (Beta)
Factor (Beta)
Forth (Beta)
Fortran (Beta)
F#
Go
Groovy
Haskell
Haxe (Beta)
Idris (Beta)
Java
JavaScript
Julia (Beta)
Kotlin
λ Calculus (Beta)
Lean
Lua
NASM
Nim (Beta)
Objective-C (Beta)
OCaml (Beta)
Pascal (Beta)
Perl (Beta)
PHP
PowerShell (Beta)
Prolog (Beta)
PureScript (Beta)
Python
R (Beta)
Racket
Raku (Beta)
Reason (Beta)
RISC-V (Beta)
Ruby
Rust
Scala
Shell
Solidity (Beta)
SQL
Swift
TypeScript
VB (Beta)
Approved & Beta
Approved
Beta
All
Kata I have not trained on
Kata I have not completed
Kata I have completed
8 kyu
easiest
7 kyu
6 kyu
5 kyu
4 kyu
3 kyu
2 kyu
1 kyu
hardest
ASCII Art
13
Algebra
1
Algorithms
167
Arrays
76
Big Integers
1
Binary
9
Bits
4
Ciphers
13
Combinatorics
2
Cryptography
9
Data Science
2
Data Structures
6
Date Time
8
Debugging
3
Dynamic Programming
1
Esoteric Languages
2
Filtering
1
Functional Programming
1
Fundamentals
279
Games
10
Genetic Algorithms
3
Geometry
1
Interpreters
3
Language Features
1
Lists
8
Logic
13
Mathematics
25
Memoization
1
Number Theory
2
Parsing
13
Performance
3
Permutations
3
Puzzles
27
Queues
1
Recursion
2
Refactoring
3
Regular Expressions
50
Restricted
3
Security
5
Simulation
1
Sorting
12
Statistics
1
Strings
443
Unicode
4
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
443 Kata Found
7 kyu
Cyrillic letters
182
FranzMartyn
Strings
Unicode
7 kyu
Return substring instance count
8,463
jhoffner
Strings
Fundamentals
7 kyu
Mumbling
239,597
g964
Fundamentals
Strings
Puzzles
6 kyu
Mexican Wave
73,547
adrian.eyre
3 Issues Reported
Arrays
Strings
Fundamentals
8 kyu
Sort and Star
51,982
PG1
2 Issues Reported
Fundamentals
Strings
Arrays
Sorting
8 kyu
Is there a vowel in there?
15,591
PG1
2 Issues Reported
Fundamentals
Strings
Arrays
6 kyu
Explain the Algebraic Chess Notation
121
Abiyasash3565
Algorithms
Strings
Parsing
7 kyu
Search for letters
7,427
Roy Gardiner
Strings
Fundamentals
6 kyu
Arrh, grabscrab!
7,326
matstc
2 Issues Reported
Strings
Algorithms
7 kyu
Unique string characters
7,799
KenKamau
Strings
Fundamentals
6 kyu
Split Strings
166,883
jhoffner
Regular Expressions
Strings
Algorithms
6 kyu
FIRE and FURY
1,313
dinglemouse
1 Issue Reported
Regular Expressions
Strings
Algorithms
8 kyu
Remove exclamation marks
124,564
wichu
2 Issues Reported
Fundamentals
Strings
7 kyu
Name Array Capping
8,735
ogryzek
1 Issue Reported
Strings
Arrays
Fundamentals
7 kyu
Partial Word Searching
8,089
obnounce
4 Issues Reported
Arrays
Strings
Fundamentals
7 kyu
Greet Me
23,814
ogryzek
Strings
Fundamentals
7 kyu
Replace every nth
4,643
user5036852
Algorithms
Strings
6 kyu
IntroToArt
901
citharista
1 Issue Reported
Arrays
Strings
ASCII Art
Fundamentals
7 kyu
Hëävÿ Mëtäl Ümläüts
1,378
tachyonlabs
Strings
Fundamentals
5 kyu
Alphabet wars - nuclear strike
1,733
dcieslak
Strings
Regular Expressions
Fundamentals
6 kyu
Binary to Text (ASCII) Conversion
5,552
deanvn
4 Issues Reported
Binary
Strings
Fundamentals
7 kyu
Email Address Obfuscator
4,550
jaxDid
3 Issues Reported
Strings
Algorithms
6 kyu
Cuckoo Clock
1,276
brodiemark
Strings
Date Time
6 kyu
File Path Operations
1,735
user2514386
3 Issues Reported
Fundamentals
Strings
Restricted
7 kyu
Print a Rectangle Using Asterisks
949
GrahamD
2 Issues Reported
Strings
ASCII Art
Algorithms
6 kyu
Build Tower Advanced
2,359
8fdafs2
Strings
ASCII Art
Fundamentals
8 kyu
Crash Override
10,018
Peter Rhodes
1 Issue Reported
Strings
Fundamentals
6 kyu
Counting Duplicates
242,114
kgashok
9 Issues Reported
Strings
Fundamentals
6 kyu
Missing Alphabet
1,309
MicheleCarbone
1 Issue Reported
Strings
Algorithms
Games
7 kyu
Regexp Basics - is it a eight bit signed number?
1,010
taw
3 Issues Reported
Bits
Binary
Strings
Regular Expressions
Fundamentals
Loading...
Confirm
Collect:
undefined
Loading collection data...