In C / C++ toupper function converts a given character to uppercase according to the character conversion rules defined by the currently installed C locale. In the default "C" locale, the following lowercase letters abcdefghijklmnopqrstuvwxyz are replaced with respective uppercase letters ABCDEFGHIJKLMNOPQRSTUVWXYZ.
Questions tagged [toupper]
176 questions
0
votes
4 answers
How to toupper char array in c?
whats wrong here?
I want to check if the char in char array islower, so if it is it should be changed in uppercase.
#include
int main(int argc, char *argv[]) {
char arr[100];
scanf("%s",&arr);
for(int i=0;i
juliandik
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1 answer
How can I use php function mb_convert_case and convert only certain words to upper?
I want to pass this input
$string = "AL & JRL buSineSS CENTRE is the best";
Expected Result:
AL & JRL Business Centre Is The Best
I have tried the code below but it converts everything.
mb_convert_case($string, MB_CASE_TITLE, "UTF-8");
user2635901
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6 answers
C++ tolower/toupper char pointer
Do you guys know why the following code crash during the runtime?
char* word;
word = new char[20];
word = "HeLlo";
for (auto it = word; it != NULL; it++){
*it = (char) tolower(*it);
I'm trying to lowercase a char* (string). I'm using…
mask
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1 answer
Import CSV File Into R, in Upper Case
Novice R user here...
I'm using the code below to import all csv files in a folder:
path <- "C:/Users/Daniel/Desktop/Motors/"
files <- list.files(path=path, pattern="*.csv")
for(file in files)
{
perpos <- which(strsplit(file, "")[[1]]==".")
…
dking16
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0
votes
1 answer
std::string ::toupper on the input string
Can I perform a ::toupper transformation on the same string that is the input?
i.e.:
std::transform(s.begin(), s.end(), s.begin(), ::toupper);
or do I need a different target?
Devolus
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0
votes
1 answer
C++ ::toupper not allowing equality comparison?
I am trying to convert a string to uppercase so I can manipulate it, but while I can successfully manipulate natural uppercase strings, as well as convert lowercase to uppercase, using this method of conversion fails to allow the manipulation.
For…
motifesta
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0
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2 answers
How this custom toupper() function works?
I've seen following program that uses custom toupper() function.
#include
void my_toUpper(char* str, int index)
{
*(str + index) &= ~32;
}
int main()
{
char arr[] = "geeksquiz";
my_toUpper(arr, 0);
my_toUpper(arr, 5);
…
Destructor
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1 answer
Facing segmentation fault while using toupper()
The following method causes an error:
BOOL should_begin(void) {
char yn;
do {
printf("Continue? [Y/N] ");
yn = getchar();
printf("\n");
yn = toupper(yn);
if (yn == 'N') {
return FALSE;
…
PC Luddite
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0
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2 answers
why does these toupper work different when utilized like this?
why does one give me an int and the other doesn't?:
toupper(member_names[2]);
and:
member_names[2] = toupper(member_names[2]);
Code971
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0 answers
call ToUpper in expression tree LINQ
I would like to create this LINQ query:
Result = Result.Where(Function(Row) Convert.ToString(Row(0)).ToUpper = "TEST")
I have this query already:
Result = Result.Where(Function(Row) Convert.ToString(Row(0)) = "TEST")
with this code:
expr =…
derstauner
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0
votes
1 answer
converting std::string to upper case without modifying source
I'm acquainted with the usage of std::transform(data.begin(), data.end(), data.begin(), ::toupper), which can change the string in data to all uppercase. I am wondering, however, if there is a clean solution that can get the all-uppercase version…
markt1964
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0
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4 answers
Creating a toUpper function in C
I'm creating my own toUpper function in C, but keep getting a segmentation fault every time I attempt to run it. Can anyone provide me with any hints as to how to fix this problem?
int toUpper(char *str)
{
int i;
for(i=0;i< i <= strlen(str);…
amosq
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1 answer
How to uppercase all first-letter-characters of sentences after specified delimiter in a text file?
Just as the title says, I have text file that has virtually no uppercase letters in it, so all of the sentences don't look proper without the first letter capitalized. Here's my code so far:
//This program reads an article in a text file, and…
Sam Peterson
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1 answer
How can I lowercase an interpolated string inside Perl's qr//?
I'm using Perl Expect module for my SSH connections. I already have a module using sub functions like this:
$exp->spawn("ssh -o ConnectTimeout=$connectTimeout $user\@$ip") or die ("unable to spawn \n");
@obj=$exp->expect( $commandTimeout,
[…
Gui O
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5 answers
c++ toupper() to compare two strings
I have created a set of algorithms that takes an input of a string vector, checks whether any of the strings occur more than once: if so erases all additional occurrences of the string from the vector, then outputs the new, 'lighter' array without…
Jim22150
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