Problems

1 – 37 of 37

Problem Title Likes Solvers Difficulty

Problem 542. Vectorizing, too easy or too hard?

Created by: AMITAVA BISWAS

Tags regexp, string, vector

132

Problem 52188. Roman numbers: how old is that building?

Created by: Egbert van Nes

Tags regexp, roman numbers

Problem 44358. I Plead the Fifth

Created by: goc3

Tags regexp, strings, string

370

Problem 269. Find Rotated Substring

Created by: Roy Mathew

Tags regexp, strings

132

Problem 171. Reverse the Words (not letters) of a String

Created by: @bmtran (Bryant Tran)

Tags regexp

321

Problem 35. Quote Doubler

Created by: Cody Team

Tags regexp, strings, quotes

2038

Problem 43658. When Was That Goal Scored?

Created by: Ned Gulley

Tags regexp, strings, feature

Problem 42370. The Python Challenge, Level 1: Decode strings

Created by: Matthew Eicholtz

Tags regexp, strings, string manipulation

Problem 66. Find the two-word state names

Created by: Cody Team

Tags regexp, states

857

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

4973

Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

2667

Problem 1376. Find names/words that start and end with the same letter.

Created by: Cedric Wannaz

Tags regexp, pattern matching

Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags regexp, parens

939

Problem 2368. I want eval

Created by: rifat

Tags regexp, string

Problem 530. convert?

Created by: AMITAVA BISWAS

Tags regexp, string manipulation, conversion of units

Problem 920. Eliminate Polysyllabics: Long live short words!

Created by: Ned Gulley

Tags regexp

Problem 1383. Count letters occurence in text, specific to words with a given length.

Created by: Cedric Wannaz

Tags regexp, letters, counts

104

Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

3345

Problem 44306. Is it really a 5?

Created by: goc3

Tags regexp, string, number

292

Problem 541. Use of regexp

Created by: AMITAVA BISWAS

Tags regexp, string, regular expression

114

Problem 92. Find state names that start with the letter N

Created by: Cody Team

Tags regexp, states

805

Problem 61. Find state names that end with the letter A

Created by: Cody Team

Tags regexp, states

826

Problem 15. Find the longest sequence of 1's in a binary sequence.

Created by: Cody Team

Tags regexp, diff, strings

4019

Problem 31. Remove all the words that end with "ain"

Created by: Cody Team

Tags matlab 101, regexp, strings

1473

Problem 91. Get the area codes from a list of phone numbers

Created by: Cody Team

Tags regexp

624

Problem 1915. GJam 2013 Veterans: Baby Height Prediction

Created by: Richard Zapor

Tags regexp, string, sprintf

Problem 43963. Finding operators in a MATLAB function in a string.

Created by: Adrien Rapicault

Tags regexp, string, recursion

Problem 44231. Is it a mail?

Created by: Said BOUREZG

Tags regexp, strings, poor test suite

Problem 45434. Weighted Names

Created by: Asif Newaz

Tags regexp, string

Problem 831. Find mistyped words in text (mixed-up letters)

Created by: Matthew Eicholtz

Tags regexp, strings, cell arrays

Problem 70. Alphabetize by last name

Created by: Cody Team

Tags regexp, sorting

1393

Problem 88. It dseon't mettar waht oedrr the lrettes in a wrod are.

Created by: Cody Team

Tags regexp, strings

795

1 – 37 of 37

Trial software

Difficulty Rating

Problem Groups

Problems

Problem 542. Vectorizing, too easy or too hard?

Problem 52188. Roman numbers: how old is that building?

Problem 44358. I Plead the Fifth

Problem 269. Find Rotated Substring

Problem 171. Reverse the Words (not letters) of a String

Problem 43076. Return strings encapsulated by braces

Problem 519. Pig Latin to English Translator

Problem 823. Find similar/related functions

Problem 877. What is Title of Cody Challenge 42?

Problem 43077. Put all numbers in a string inside square brackets

Problem 35. Quote Doubler

Problem 43658. When Was That Goal Scored?

Problem 42370. The Python Challenge, Level 1: Decode strings

Problem 66. Find the two-word state names

Problem 22. Remove the vowels

Problem 28. Counting Money

Problem 1376. Find names/words that start and end with the same letter.

Problem 80. Test for balanced parentheses

Problem 2368. I want eval

Problem 530. convert?

Problem 920. Eliminate Polysyllabics: Long live short words!

Problem 1383. Count letters occurence in text, specific to words with a given length.

Problem 13. Remove all the consonants

Problem 44306. Is it really a 5?

Problem 541. Use of regexp

Problem 92. Find state names that start with the letter N

Problem 61. Find state names that end with the letter A

Problem 15. Find the longest sequence of 1's in a binary sequence.

Problem 31. Remove all the words that end with "ain"

Problem 91. Get the area codes from a list of phone numbers

Problem 1915. GJam 2013 Veterans: Baby Height Prediction

Problem 43963. Finding operators in a MATLAB function in a string.

Problem 44231. Is it a mail?

Problem 45434. Weighted Names

Problem 831. Find mistyped words in text (mixed-up letters)

Problem 70. Alphabetize by last name

Problem 88. It dseon't mettar waht oedrr the lrettes in a wrod are.