Stack Overflow
Stack Overflow

Questions tagged [case-conversion]

28 questions
282
votes
12 answers

Converting camel case to underscore case in ruby

Is there any ready function which converts camel case Strings into underscore separated string? I want something like this: "CamelCaseString".to_underscore to return "camel_case_string". ...
Daniel Cukier
  • 11,502
  • 15
  • 68
  • 123
131
votes
6 answers

How can I convert a string to upper- or lower-case with XSLT?

How do you do case conversion in XSL? UPPER CASE
mjs
  • 63,493
  • 27
  • 91
  • 122
88
votes
11 answers

Javascript convert PascalCase to underscore_case/snake_case

How can I convert PascalCase string into underscore_case/snake_case string? I need to convert dots into underscores as well. eg. convert TypeOfData.AlphaBeta into type_of_data_alpha_beta
zahmati
  • 1,261
  • 1
  • 10
  • 18
43
votes
11 answers

How can I convert text to Pascal case?

I have a variable name, say "WARD_VS_VITAL_SIGNS", and I want to convert it to Pascal case format: "WardVsVitalSigns" WARD_VS_VITAL_SIGNS -> WardVsVitalSigns How can I make this conversion?
wlz
  • 563
  • 1
  • 4
  • 9
41
votes
7 answers

camelCase to underscore in vi(m)

If for some reason I want to selectively convert camelCase named things to being underscore separated in vim, how could I go about doing so? Currently I've found that I can do a search /s[a-z][A-Z] and record a macro to add an underscore and convert…
Jeff
  • 1,807
  • 1
  • 15
  • 17
28
votes
4 answers

How can I convert from underscores to camel case with a regex?

How can I convert names with underscores into camel case names as follows using a single Java/Perl regular expression search and replace? underscore_variable_name -> underscoreVariableName UNDERSCORE_VARIABLE_NAME ->…
Jeff Axelrod
  • 27,676
  • 31
  • 147
  • 246
24
votes
5 answers

PHP - add underscores before capital letters

How can I replace a set of words that look like: SomeText to Some_Text ?
Alex
  • 66,732
  • 177
  • 439
  • 641
17
votes
5 answers

C / C++ UTF-8 upper/lower case conversions

The Problem: There is a method with a corresponding test-case that works on one machine and fails on the other (details below). I assume there's something wrong with the code, causing it to work by chance on the one machine. Unfortunately I cannot…
b.buchhold
  • 3,837
  • 2
  • 24
  • 33
16
votes
2 answers

What's the correct way to treat numbers in snake case?

If I want to write a phrase like "Column 1" in snake case (the usual C way of formatting identifiers that looks like some_function), do I insert underscore between a word or a number, like column_1, or not, like column1? That may be a painfully…
Max Yankov
  • 12,551
  • 12
  • 67
  • 135
13
votes
2 answers

Unicode characters having asymmetric upper/lower case. Why?

Why do the following three characters have not symmetric toLower, toUpper results /** * Written in the Scala programming language, typed into the Scala REPL. * Results commented accordingly. */ /* Unicode Character 'LATIN CAPITAL LETTER SHARP…
Tim Friske
  • 2,012
  • 1
  • 18
  • 28
11
votes
1 answer

Convert Unicode/UTF-8 string to lower/upper case using pure & pythonic library

I use Google App Engine and cannot use any C/C++ extension, just pure & pythonic library to do conversion of Unicode/UTF-8 strings to lower/upper case. str.lower() and string.lowercase() don't.
Viet
  • 17,944
  • 33
  • 103
  • 135
10
votes
3 answers

Perl, using tr function to convert uppercase to lowercase and vice-versa at the same time?

I have a string $string= 'AbCdEf'; and I want to use the tr function to convert all the uppercase letters to lower case and all the lower case to upper case.... at the same time. I basically just want to reverse it to become. aBcDeF I came up with…
Brian
  • 4,023
  • 8
  • 29
  • 36
3
votes
3 answers

gnuplot - convert a string variable to lowercase

How do you convert a string to lowercase in gnuplot?This is a gnuplot string handling question. Example:- I wish to check a user typed parameter in a gnuplot script.... if (tolower(ARG2) == "ohms") {..... so by accepting "ohms", "Ohms", or "OHMS".…
mjp
  • 93
  • 10
2
votes
0 answers

How to prevent change of case of user-defined components in ReactJS while using react-html-parser?

I am trying to convert below string rawJSX to JSX using react-html-parser. import ReactHtmlParser from "react-html-parser"; function StrToJSX() { let rawJSX = `

Hello World!

I am a programmer. `; …
Deepanshu Yadav
  • 93
  • 1
  • 2
  • 8
2
votes
2 answers

How to use Regex to convert initial letter of a string to upper case

Given a bunch of strings in an editor (e.g., Rubymine or IntelliJ) that look like this: list: ["required","TBD at time of entry", "respirator, gloves, coveralls, etc."] How can I use the built-in Regex search and replace to convert the initial…
Jon Kern
  • 3,186
  • 32
  • 34
1
2