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Fundamentals (3857)
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37 Kata Found
5 kyu
Valid Parentheses
535
535
124
90%
of
2,419
21,516
xDranik
Algorithms
Validation
Utilities
7 kyu
Password should not contain any part of your username.
5
5
2
78%
of
16
56
Bethany
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
Validation
Algorithms
3 kyu
Battleship field validator II
37
37
8
95%
of
31
71
zoyanhui
Algorithms
Puzzles
Games
Validation
3 kyu
Battleship field validator
531
531
79
93%
of
557
2,917
romanzes
1 Issue Reported
Algorithms
Games
Validation
Arrays
Game Boards
6 kyu
Data Analysis Following Migration
6
6
1
91%
of
11
26
anter69
Algorithms
Dates/Time
Validation
4 kyu
Sudoku Solution Validator
651
651
121
91%
of
1,588
10,192
xDranik
9 Issues Reported
Algorithms
Data Structures
Validation
2 kyu
Hard Sudoku Solver
121
121
26
94%
of
77
228
f.rodrigues
Puzzles
Games
Algorithms
Validation
3 kyu
Check and Mate?
227
227
61
97%
of
118
319
Zirgion
1 Issue Reported
Algorithms
Arrays
Data Structures
Validation
Search
Games
Rules
Game Boards
3 kyu
Sudoku Solver
575
575
92
97%
of
489
2,713
pineappleclock
3 Issues Reported
Algorithms
Games
Validation
6 kyu
Valid Braces
840
840
185
92%
of
2,518
18,583
xDranik
11 Issues Reported
Algorithms
Validation
Utilities
6 kyu
SMS Lottery Bet Validator
12
12
5
90%
of
61
143
anter69
1 Issue Reported
Algorithms
Validation
6 kyu
Validate Credit Card Number
387
387
50
91%
of
740
6,897
mcclaskc
3 Issues Reported
Algorithms
Validation
5 kyu
Completed Mahjong Hands
1
1
0
100%
of
5
7
Unihedron
Algorithms
Games
Validation
Parsing
Strings
Search
6 kyu
Nextel phone number validator
5
5
0
79%
of
28
58
Javatlacati
1 Issue Reported
Puzzles
Regular Expressions
Declarative Programming
Advanced Language Features
Fundamentals
Strings
Validation
Algorithms
4 kyu
5x5 Nonogram Solver
45
45
10
98%
of
23
60
Avanta
Algorithms
Validation
Games
Numbers
Multi-Dimensional Arrays
Arrays
Object-oriented Programming
5 kyu
Roman numerals, Zeroes and Fractions
10
10
0
100%
of
17
46
ChristianECooper
Algorithms
Validation
6 kyu
Coordinates Validator
210
210
33
85%
of
671
4,882
louy
4 Issues Reported
Algorithms
Validation
Numbers
Regular Expressions
Declarative Programming
Advanced Language Features
Fundamentals
Strings
6 kyu
Valid Phone Number
134
134
32
85%
of
796
8,262
xDranik
2 Issues Reported
Algorithms
Regular Expressions
Declarative Programming
Advanced Language Features
Fundamentals
Strings
Validation
4 kyu
Validate Sudoku with size `NxN`
273
273
45
85%
of
362
2,553
cbmono
9 Issues Reported
Puzzles
Arrays
Games
Algorithms
Validation
Multi-Dimensional Arrays
6 kyu
Type Checking
38
38
4
97%
of
54
162
user5854572
Fundamentals
Utilities
Validation
Algorithms
Control Flow
Basic Language Features
Strings
Numbers
Arrays
Functions
Objects
5 kyu
Domain name validator
38
38
6
89%
of
56
192
Disassembler0
1 Issue Reported
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
Validation
Algorithms
Parsing
6 kyu
Swedish Personal Number
3
3
1
91%
of
33
86
iuliaL
1 Issue Reported
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
Validation
Algorithms
5 kyu
Regex Password Validation
551
551
111
88%
of
906
6,847
EricFreeman
2 Issues Reported
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
Validation
Algorithms
Utilities
5 kyu
All that is open must be closed...
106
106
10
92%
of
134
736
ChristianECooper
Algorithms
Stacks
Arrays
Parsing
Strings
Validation
8 kyu
Simple validation of a username with regex
63
63
27
93%
of
410
2,981
daymos
4 Issues Reported
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
Validation
Algorithms
7 kyu
Only One Gift Per Child
21
21
2
87%
of
81
1,688
BattleRattle
1 Issue Reported
Algorithms
Hacking Holidays
Validation
5 kyu
isInt32(int, byteLength)
7
7
0
91%
of
22
78
wthit56
Fundamentals
Integers
Numbers
Bits
Binary
Validation
Algorithms
7 kyu
Comfortable words
15
15
3
95%
of
84
309
braunmagrin
Algorithms
Strings
Validation
7 kyu
Password validator
30
30
4
91%
of
62
459
tdowek1
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
Validation
Algorithms
7 kyu
Is valid identifier?
28
28
10
91%
of
112
1,170
SIKV
1 Issue Reported
Fundamentals
Regular Expressions
Declarative Programming
Advanced Language Features
Strings
Validation
Algorithms
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