Questions tagged [strings]
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.
2,642
questions
1
vote
1answer
193 views
Encode strings by subtracting one from each character code
I currently have this encoding function which simply subtracts one from each character code:
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5
votes
3answers
4k views
2
votes
2answers
4k views
Function to validate a file name
This function checks if a file name is valid or not. I think it's not good enough for integration (not optimized, maybe I forgot about some checks), so need your comments.
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5
votes
1answer
564 views
Processing XML configuration which stores regular expressions and format strings for a documentation tool
I'm investigating some feature for the ScalaDoc tool, which would allow library writers to link to documentation created by third party tools like JavaDoc.
My idea is to have some (XML) configuration ...
5
votes
5answers
8k views
Determining whether a string ends with one of a few given options
I wrote the following function to determine whether a string ends with one of a few given options.
I'm sure it can be written more elegantly, probably avoiding the loop.
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5
votes
3answers
6k views
String manipulation complexity
I've been reading Cracking the Coding Interview and at the very beginning I got to the strange statement that the next complexity will be \$O(n^2)\$.
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3
votes
5answers
4k views
Delete each character in one string that matches any character in another
I am trying to solve an exercise in which I am given the following function:
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6
votes
2answers
276 views
Determining which command line arguments are numeric
I am working on using STL and in general safe C++ practices. Instead of posting large samples of code I am working with a small sample to catch problems before I move onto larger ones.
How do you ...
31
votes
1answer
70k views
Pack and unpack bytes to strings
I need to write a function that "packs" an array of bytes (integers between 0 and 255) into a string. I also need to be able to perform the reverse operation, to get my byte array from the string that ...
4
votes
2answers
902 views
Remove repeated words from a 2D character array
This code removes repeated words from a word array (2D char array). I want to optimize this as much possible for speed.
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0
votes
2answers
2k views
Command line tool for extracting, searching, and converting
I just completed my first real application (command line app). It's simple, but I had no prior knowledge of Python. Everything was hit and miss, with many Python books and help from those in this ...
3
votes
5answers
8k views
Replace sequence of strings in binary file
I have searched for method to find and replace strings sequence in binary files without any luck. The main requirement was that method should not load all file in memory but rather use chunks. I am ...
13
votes
5answers
18k views
Remove useless whitespace from styled string
I have a big string resource (basically the "about" text of the application) which contains styles (such as <b>, <a> ...
2
votes
3answers
160 views
XML-tag function
I'm an experienced programmer, but just a beginner in Python, and would like some input on a small function that's working but which I'm not very happy with.
It's used to produce XML tags (strings). ...
4
votes
2answers
771 views
Streamline code for checking if a directory exists and saving a file
I hate this code. What is the slickest way to write the following:
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7
votes
3answers
378 views
Determining if one string occurs at the end of another
This is exercise 5-4 from K&R. I spent hours tweaking it but now it seems to work. I'm new to pointers and I'd welcome any comments about how to do it better.
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13
votes
4answers
55k views
Simplify splitting a String into alpha and numeric parts
Requirement: Parse a String into chunks of numeric characters and alpha characters. Alpha characters should be separated from the numeric, other characters should be ignored.
Example Data:
Input ...
2
votes
2answers
280 views
Iterate comparison - How can I write this better?
I would like to write the following piece of code cleaner and more efficient, any comments will be greatly appreciated:
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11
votes
4answers
2k views
Change upper or lowercase vowels to [0,1,2,3,4] respectively and leave the rest the same
The objective was the following to be solved in Python:
Given a string, def a function that
returns another string with the vowels
(upper or lowercase) replaced by
0,1,2,3,4 respectively.
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14
votes
10answers
12k views
Looping through a collection
In the situation where I am looping through a collection looking for an item, is it better practice to break before I return or ...
7
votes
4answers
660 views
Managing part types and counts
Both functions look fairly similar to each other, but they are different in the type of string. I have 6 functions like this and all differ only in the "string cmd". Any ideas on how I can put it all ...
158
votes
14answers
56k views
Remove Last Comma
I want to join strings together, but when doing this it often happens that there is a comma too many, and therefore I need to remove that comma. In this code, I use the ...
11
votes
10answers
27k views
Optimizing Java Anagram checker (compare 2 strings)
An anagram is like a mix-up of the letters in a string:
pots is an anagram of stop
Wilma is an anagram of ilWma
I am going through the book Cracking the Coding Interview and in the basic ...
18
votes
11answers
1k views
Reversing a string
I had this as an interview question, and the interviewer pointed this out. Here's what I wrote:
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2
votes
6answers
1k views
Change HashSet to a set of strings found in a file
This function changes a HashSet in the root of the class called 'commands' to a set of strings found in a file at "plugins/UC/Commands.txt" (it's what was requested by the people using the plugin). ...
2
votes
1answer
325 views
Abstract the (duplicate?) behavior between “sort” and “replace”
I have written these two functions that have a similar process. The first is meant to "split" a string on a given character and the second is meant to "replace-all" instances of a character in a ...
11
votes
4answers
2k views
Filtering a recursive directory listing, discarding subfolders
I needed a function that would take a list of folders and removed all sub folders, so that only the top level folders stayed in the list.
For example, given the list:
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4
votes
2answers
3k views
Print an integer and its digits reversed
This Common Lisp program is an exercise to print an integer and its digits reversed to the screen:
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14
votes
2answers
14k views
C++ string_cast<> template function
In C++, to simplify string conversion between std::string and std::wstring, I created the following utility template functions:
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11
votes
4answers
1k views
Different character outputs using loops and strings
I've just given this as a response to an absolute beginner on SO, and I'm wondering how terrible it is.
Output for an odd number of lines:
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37
votes
5answers
4k views
Sorting strings by length - functional Python
I'm trying to port this little F# snippet while staying pythonic:
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5
votes
1answer
184 views
Substitution of different occurrences of a string with changing patterns
I need to parse an invalid JSON string in which I find many repetitions of the same key, like the following snippet:
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8
votes
3answers
966 views
239
votes
14answers
42k views
Calculating entropy of a string
We're calculating entropy of a string a few places in Stack Overflow as a signifier of low quality.
I whipped up this simple method which counts unique characters in a string, but it is quite ...
11
votes
1answer
654 views
String interpolation library
I was bored over the last couple of days and wrote up a string interpolation library for JavaScript.
I'm very pleased with its functionality, it passes it 79 tests cross browser and the comments and ...
12
votes
2answers
344 views
Traversing a multidimensional structure and applying strip() to all strings
I'm trying to apply string.strip() to all the leafs that are strings in a multidimensional collection, but my Python is a bit rusty (to say the least). The ...
7
votes
3answers
2k views
Partitioning strings into substrings of fixed length
I've got a Clojure function here that's meant to parse a string of form:
"DDXXXYYY"
where DD is meant to be discarded, and XXX and YYY are string representations of integers.
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39
votes
9answers
99k views
Converting between std::wstring and std::string
While researching ways to convert back and forth between std::wstring and std::string, I found this conversation on the MSDN ...
8
votes
4answers
298 views
Struct to web style string
I've had to make several functions to turn some structures into strings. I am a still green when it comes C so I am unsure if I am doing this a very awkward way. The system I am coding for does not ...
23
votes
7answers
25k views
11
votes
2answers
370 views
Is this a sufficient way to prevent script injections and other bad stuff in strings
Would this function be sufficient enough to remove all malicious code and foreign characters from a string?
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23
votes
5answers
2k views
Generating CSV strings for various 3rd party utilities
I'm generating CSV strings for various 3rd party utilities and this section of code gets repeated in many classes. Is there a better way to generate this string?
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