Problems

1 – 12 of 12

Problem Title Likes Solvers Difficulty

Problem 35. Quote Doubler

Created by: Cody Team

Tags regexp, strings, quotes

2260

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

5368

Problem 66. Find the two-word state names

Created by: Cody Team

Tags regexp, states

967

Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

2910

Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

3566

Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags regexp, parens

1019

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

Created by: Cody Team

Tags regexp, diff, strings

4629

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

Created by: Cody Team

Tags regexp, states

944

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

Created by: Cody Team

Tags matlab 101, regexp, strings

1682

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

Created by: Cody Team

Tags regexp, states

944

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

Created by: Cody Team

Tags regexp

808

Problem 70. Alphabetize by last name

Created by: Cody Team

Tags regexp, sorting

1649

1 – 12 of 12

Difficulty Rating

Problem Groups

Difficulty Rating

Problem Groups

Problems

Problem 35. Quote Doubler

Problem 22. Remove the vowels

Problem 66. Find the two-word state names

Problem 28. Counting Money

Problem 13. Remove all the consonants

Problem 80. Test for balanced parentheses

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

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

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

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

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

Problem 70. Alphabetize by last name