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6 kyu
Is a number prime?
112,143arithmetric
Completed Languages:
8 kyu
Up and down, the string grows
5,315Gao-Jun
Completed Languages:
8 kyu
Reversed Strings
353,879jhoffner
Completed Languages:
6 kyu
Pair of gloves
14,958AzariasB
Completed Languages:
7 kyu
Regexp Basics - is it a vowel?
9,105taw
Completed Languages:
7 kyu
Regexp Basics - is it a letter?
8,080taw
Completed Languages:
7 kyu
Regex validate PIN code
175,362JMurphyWeb
Completed Languages:
5 kyu
Simple Pig Latin
162,806user2505876
Completed Languages:
6 kyu
Stop gninnipS My sdroW!
277,712xDranik
Completed Languages:
5 kyu
First non-repeating character
69,227OverZealous
Completed Languages:
4 kyu
Roman Numerals Helper
29,841jhoffner
Completed Languages:
6 kyu
Does my number look big in this?
172,692JulianNicholls
Completed Languages:
8 kyu
You Can't Code Under Pressure #1
231,525Kerrick
Completed Languages:
5 kyu
Extract the domain name from a URL
79,623xianpants
Completed Languages:
6 kyu
Find the unique number
145,059isqua
Completed Languages:
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