Problem 3020. Prime Letters = Removing
Given a string, remove all the letters which in ASCII Code are prime numbers.
For Example:
s1 = 'Determine which array elements are prime'
Becomes:
s2 = 'Dtrin which rry lnts r pri'
Solution Stats
Problem Comments
-
1 Comment
goc3
on 27 Sep 2017
Additional test cases have been added.
Solution Comments
Show commentsGroup

Strings III
- 23 Problems
- 22 Finishers
- Reverse within string
- longest common semi-substring
- Cat, Meowcat and Concatenation
- Flip the bit
- Broken numlock key, oppps !
- Calculate the Damerau-Levenshtein distance between two strings.
- Find the longest match inside two strings
- Convert a vector into numbers
- Cat, Meowcat and Concatenation
- longest common semi-substring
- Genome decoding
- longest common substring : Skipped character version
- Concatenate string with cell array of strings
- Did you say please? - Find one string within another without strfind or regexp/regexpi
- Decrypt the cypher using XOR encryption (for beginners)
- Shorten pathname
- Beauty of Parentheses
- Adding Cells with numbers defined as strings
- From a given cell array of strings, extract the non-unique strings.
- Calculator spelling - Numbers to Letters
- Calculator spelling - Letters to Numbers
- Prime Letters = Removing
- Legend of Zelda - Rupee Count
- Legend of Zelda - Rupee Count (Compact)
- Legend of Zelda - Rupee Count (Item Purchase)
Problem Recent Solvers93
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!