Kata Library: C Practice
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Kata I have not trained on
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Kata I have completed
8 kyu
easiest
7 kyu
6 kyu
5 kyu
4 kyu
3 kyu
2 kyu
1 kyu
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18
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7
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35
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
48 Kata Found
6 kyu
IP Validation
43,724
wink
5 Issues Reported
Regular Expressions
Algorithms
7 kyu
Check whether a number is valid in a given numeral system
963
SummerTheCoder
Algorithms
Logic
Regular Expressions
6 kyu
Valid Phone Number
21,197
xDranik
3 Issues Reported
Regular Expressions
Algorithms
5 kyu
ISBN-10 Validation
11,466
nklein
4 Issues Reported
Regular Expressions
Algorithms
5 kyu
Return substring instance count - 2
3,193
ineiti
2 Issues Reported
Strings
Regular Expressions
Algorithms
5 kyu
Alphabet wars - nuclear strike
1,751
dcieslak
Strings
Regular Expressions
Fundamentals
7 kyu
Password validator
8,235
tdowek1
1 Issue Reported
Fundamentals
Regular Expressions
Algorithms
5 kyu
Not very secure
49,820
mayrsascha
11 Issues Reported
Regular Expressions
Strings
8 kyu
String cleaning
28,107
mkelty
Regular Expressions
Fundamentals
Strings
5 kyu
String incrementer
51,854
parceval
6 Issues Reported
Regular Expressions
Strings
6 kyu
Convert string to camel case
204,356
jhoffner
20 Issues Reported
Regular Expressions
Algorithms
Strings
7 kyu
Remove anchor from URL
48,767
jhoffner
2 Issues Reported
Regular Expressions
Strings
Fundamentals
6 kyu
The Vowel Code
21,782
yaphi1
1 Issue Reported
Arrays
Strings
Regular Expressions
Fundamentals
7 kyu
Remove consecutive duplicate words
7,770
e.mihaylin
Strings
Regular Expressions
Algorithms
7 kyu
The Ladies of ENIAC
1,834
nogainbar
Strings
Regular Expressions
Fundamentals
6 kyu
Trumpness detector
1,142
GiacomoSorbi
3 Issues Reported
Regular Expressions
Strings
Algorithms
5 kyu
ROT13
28,682
hvaara
Strings
Ciphers
Regular Expressions
Algorithms
6 kyu
Look and say sequence generator
867
GiacomoSorbi
1 Issue Reported
Strings
Regular Expressions
Fundamentals
7 kyu
C.Wars
4,500
debri
Strings
Regular Expressions
Fundamentals
5 kyu
Alphabet war - Wo lo loooooo priests join the war
1,221
dcieslak
Strings
Regular Expressions
6 kyu
Generic numeric template formatter
1,329
GiacomoSorbi
1 Issue Reported
Regular Expressions
Strings
Algorithms
7 kyu
Simple Fun #182: Happy "g"
1,653
myjinxin2015
Puzzles
Strings
Regular Expressions
2 kyu
Regular Expression - Check if divisible by 0b111 (7)
2,264
Hacker Sakana
Puzzles
Regular Expressions
Strings
Algorithms
6 kyu
Last Survivors Ep.2
2,210
Schulzkafer
1 Issue Reported
Fundamentals
Arrays
Regular Expressions
7 kyu
Find the longest gap!
3,133
joh_pot
Regular Expressions
Strings
Fundamentals
7 kyu
Ghostbusters (whitespace removal)
5,569
bencoullie
Fundamentals
Regular Expressions
Strings
6 kyu
Remove the parentheses
7,281
topping
2 Issues Reported
Strings
Algorithms
Regular Expressions
Fundamentals
7 kyu
Regex validate PIN code
186,119
JMurphyWeb
1 Issue Reported
Regular Expressions
Fundamentals
7 kyu
Digits explosion
18,339
angellaa
Strings
Regular Expressions
Fundamentals
8 kyu
Simple validation of a username with regex
23,760
daymos
1 Issue Reported
Regular Expressions
Fundamentals
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