Problems

1 – 13 of 13

Problem Title Likes Solvers Difficulty

Problem 35. Quote Doubler

Created by: Cody Team

Tags regexp, strings, quotes

1999

Problem 66. Find the two-word state names

Created by: Cody Team

Tags regexp, states

838

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

4921

Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

2605

Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags regexp, parens

927

Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

3299

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

Created by: Cody Team

Tags regexp, states

787

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

Created by: Cody Team

Tags regexp

594

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

Created by: Cody Team

Tags matlab 101, regexp, strings

1438

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

Created by: Cody Team

Tags regexp, states

811

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

Created by: Cody Team

Tags regexp, diff, strings

3888

Problem 70. Alphabetize by last name

Created by: Cody Team

Tags regexp, sorting

1359

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

Created by: Cody Team

Tags regexp, strings

767

1 – 13 of 13

Difficulty Rating

Problem Groups

Problems

Problem 35. Quote Doubler

Problem 66. Find the two-word state names

Problem 22. Remove the vowels

Problem 28. Counting Money

Problem 80. Test for balanced parentheses

Problem 13. Remove all the consonants

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

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

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

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 70. Alphabetize by last name

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