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Results tagged with strings
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user 69099
A string is a sequence of characters. It is commonly used to represent text or a sequence of bytes. Use this tag along with the appropriate programming language being used.
1
vote
4
answers
5k
views
Redacting everything in a string except a particular word
I am working through the Coding Bat exercises for Java. Here is one I have just completed:
Given a string and a non-empty word string, return a version of the original String where all chars have …
- 1,302
5
votes
1
answer
115
views
Generating a topographic string
I am working my way through some exercises, using Java, to learn about programming. I have just finished the following Code Golf challenge:
Here is some example input, so I can explain what the pr …
- 1,302
7
votes
4
answers
20k
views
Summing digits of an alphanumeric string
I am going through the Java CodingBat exercises. Here is the one I have just completed:
Given a string, return the sum of the digits 0-9 that appear in the string, ignoring all other characters. R …
- 1,302
7
votes
3
answers
11k
views
Removing Asterisks and neighbors from a string
I am going through the CodingBat exercises for Java. I got to this problem:
Return a version of the given string, where for every star (*) in the string the star and the chars immediately to its l …
- 1,302
5
votes
2
answers
3k
views
Counting length-2 substrings that are common to two strings at the same offset
I just completed this one, an exercise that requests the comparison of substrings of two strings:
Given 2 strings, a and b, return the number of the positions where they contain the same length 2 substring … So "xxcaazz" and "xxbaaz" yields 3, since the "xx", "aa", and "az" substrings appear in the same place in both strings. …
- 1,302
2
votes
3
answers
1k
views
Returning matching substrings, of n length, at the beginning and end of a string
I am going through the Java CodingBat exercises. Here is the one I have just completed:
Given a string, return the longest substring that appears at both the beginning and end of the string withou …
- 1,302
5
votes
3
answers
1k
views
Case insensitively removing a substring, efficiently
I have just completed this one:
Given two strings, base and remove, return a version of the base string where all instances of the remove string have been removed (not case sensitive). … The test strings involve digits. Is it problematic to be 'converting' these to lower and/or upper cases? Should I deal with those before testing the alphabetic strings? …
- 1,302
5
votes
1
answer
2k
views
Finding common elements, ignoring duplicates, in two given string arrays
Here is the one I have just completed:
Start with two arrays of strings, a and b, each in alphabetical order, possibly with duplicates. … Return the count of the number of strings which appear in both arrays. …
- 1,302
5
votes
3
answers
5k
views
Using recursion to count substrings (with exceptions to the rule) in Java
I am going through the CodingBat exercises for Java. Here is the one I have just finished:
Given a string, compute recursively the number of times lowercase hi appears in the string, however do no …
- 1,302