Questions tagged [string]
A competition to solve a particular problem through the usage and manipulation of strings.
2,284 questions
11
votes
17
answers
880
views
Identify Redundant Regex
A redundant regular expression (regex) is defined here as a regex which has some amount of characters which can be removed while not affecting its functionality -- i.e. it matches the exact same set ...
6
votes
8
answers
896
views
Validate DNA Sequences with Telomeres
Telomeres are regions of repetitive DNA sequences that occur at the ends of linear chromosomes in eukaryotes (such as humans and other mammals). In vertebrates, the telomeric repeat sequence is ...
-10
votes
7
answers
265
views
Internationalisation -> I18n (numeronym)
Write the shortest program or function that accepts a sequence of three or more letters and returns its I18n-style numeronym, preserving the original letter case. The I18n-style numeronym is formed by ...
5
votes
4
answers
345
views
DNA reading frame
DNA is read in groups of three nucleotides (the letters you see in a sequence), called codons, for determining what protein sequence the portion of DNA will yield. I already used this in a previous ...
-2
votes
0
answers
138
views
Create a string satisfying a set of include/exclude/length constraints
Send a message containing "ZCKJSGLZD" ensuring the text length is not 9 and text length is at maximum 25 and text length is at minimum 11 and text length is at minimum 11 and text length is ...
-5
votes
14
answers
435
views
Text Flattening Program
Input: A string, can be multi-line. The newlines must to be real newline (e.g., you cannot request that each newline be (n)). There is another input, a number (not ...
5
votes
13
answers
851
views
Which letter is missing? [closed]
Given a printable ASCII string, return any letter which is not present (ignoring case), if possible, else return the empty string.
Test Cases:
...
5
votes
3
answers
965
views
Multiply the input by 2
Your goal is to write a program which will take an input and multiply it by 2. However, there are some catches.
You will get an input in one of a few forms:
A number (...
12
votes
2
answers
230
views
Autocomplete a word at the cursor position
You will be given a block of text and a cursor position at the end of a possibly incomplete word.
You must output a suggestion for what this word (let's call it w) ...
12
votes
15
answers
2k
views
Unroll the loop!
A loop is a rectangle of text like this:
hgf
ile
jkd
abc
To unroll it, you start at the bottom left, and proceed to the right, spiralling anti-clockwise in towards ...
21
votes
10
answers
2k
views
"e" ejects the letters. Re-enter them
Overview
I have a sample of 10 quotes. You will receive as input to your program one of these quotes, however all the vowels (aeiou) will be replaced with the ...
2
votes
4
answers
613
views
Program Generator: Print a Paragraph
Objective
Your challenge is to write a program that, given a paragraph from a book, will output another program that prints out that paragraph. (See my example program in an answer)
Scoring
The link ...
5
votes
3
answers
425
views
Cancel strings to make them short
Overview
You will be given a list of strings. If any two elements are equal, you can delete both of them. If one element a is a substring of element ...
9
votes
11
answers
2k
views
Recognize my coworker
My work has recently changed the employee tracking system to one that happens to include a fun game to learn your coworker's faces:
Just a small problem: all the pictures include that person's ...
16
votes
8
answers
1k
views
Output shortest string containing all input strings
Given a list of words (letters only) in no particular order, output the shortest string containing every word (disregarding case). Output must be lowercase, except the first letter of each word is ...