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8 kyu
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7 kyu
6 kyu
5 kyu
4 kyu
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1 kyu
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11
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2
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11
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
17 Kata Found
6 kyu
Split Strings
167,254
jhoffner
Regular Expressions
Strings
Algorithms
5 kyu
ISBN-10 Validation
11,425
nklein
4 Issues Reported
Regular Expressions
Algorithms
5 kyu
Not very secure
49,749
mayrsascha
11 Issues Reported
Regular Expressions
Strings
6 kyu
Convert string to camel case
204,061
jhoffner
20 Issues Reported
Regular Expressions
Algorithms
Strings
6 kyu
Coordinates Validator
7,020
louy
8 Issues Reported
Regular Expressions
Algorithms
5 kyu
ROT13
28,633
hvaara
Strings
Ciphers
Regular Expressions
Algorithms
5 kyu
Alphabet war - Wo lo loooooo priests join the war
1,220
dcieslak
Strings
Regular Expressions
2 kyu
Regular Expression - Check if divisible by 0b111 (7)
2,261
Hacker Sakana
Puzzles
Regular Expressions
Strings
Algorithms
4 kyu
Binary multiple of 3
7,648
rsalgado
3 Issues Reported
Regular Expressions
Algorithms
Puzzles
Number Theory
6 kyu
Encrypt this!
23,577
suic
Fundamentals
Strings
Regular Expressions
Arrays
Ciphers
Algorithms
Cryptography
Security
8 kyu
FIXME: Replace all dots
32,947
dinglemouse
Debugging
Regular Expressions
6 kyu
IP Validation
43,414
wink
5 Issues Reported
Regular Expressions
Algorithms
7 kyu
Disemvowel Trolls
375,779
osuushi
4 Issues Reported
Strings
Regular Expressions
Fundamentals
6 kyu
Create Phone Number
349,665
xDranik
Arrays
Strings
Regular Expressions
Algorithms
6 kyu
Clever split
661
arhigod
1 Issue Reported
Strings
Regular Expressions
Fundamentals
7 kyu
Remove duplicate words
21,422
e.mihaylin
5 Issues Reported
Strings
Regular Expressions
Algorithms
6 kyu
Cancer cells
800
smolen
Regular Expressions
Fundamentals
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