Problem 2602. Did you say please? - Find one string within another without strfind or regexp/regexpi
For a given string sentence, determine if the string word 'please' is present or not. If so, return the string 'OK', else return '...'. The function should not be case sensitive. Please do not use the strfind or regexp/regexpi functions in your solution.
Example:
reply = please('Help me with my homework!') reply = '...'
reply = please('Please help me with my homework') reply = 'OK'
Solution Stats
Problem Comments
-
3 Comments
Guillaume
on 24 Sep 2014
See the test suite of http://www.mathworks.co.uk/matlabcentral/cody/problems/2513 for an example of how to make sure regexp and other functions are not used.
Rahul Kalampattel
on 24 Sep 2014
Thanks for the tip, modified the test suite and updated the problem description to include regexpi in the list of illegal functions.
Rahul Kalampattel
on 26 Sep 2014
Modified the test suite again, sorry if it affects your solution.
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 Solvers56
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!