String to upper c++

Convert all characters in string to uppercase c++

transform(str.begin(), str.end(), str.begin(), ::toupper);

String to upper c++

std::string data = "This is a sample string.";
// convert string to upper case
std::for_each(data.begin(), data.end(), [](char & c){
c = ::toupper(c);
});

Convert whole string to uppercase c++

#include<bits/stdc++.h> 
using namespace std; 
  
int main() 
{ 
    string s = "Viet Nam"; 
    transform(s.begin(), s.end(), s.begin(), ::toupper);  //uppercase
    cout << s << endl; 
    return 0; 
}

Convert letters to uppercase in c++

#include <iostream>
#include <string>
using namespace std;

int main()
{
    char letter;

    cout << "You will be asked to enter a character.";
    cout << "\nIf it is a lowercase character, it will be converted to uppercase.";
    cout << "\n\nEnter a character. Press . to stop: ";

    cin >> letter;

    if(islower(letter))
    {
        letter = isupper(letter);
        cout << letter;
    }

    while(letter != '.')
    {
        cout << "\n\nEnter a character. Press . to stop: ";
        cin >> letter;

        if(islower(letter))
        {
            letter = toupper(letter);
            cout << letter;
        }
    }

    return 0;
}

-1

Source: stackoverflow.com

Similar codes

1 vote155 views2 answers
Cvtcolor rgb to gray
C++
0 vote165 views1 answer
How to make dictionary of numbers in c++
C++
3 votes153 views2 answers
Print type c++
C++
0 vote143 views1 answer
Checking if a string has only letters cpp
C++
0 vote156 views1 answer
C++ meaning ::
C++
-1 vote136 views1 answer
Cod Cold War no recoil
C++
0 vote142 views1 answer
What is g++ and gcc
C++
0 vote147 views1 answer
Qt make widget ignore mouse events
C++
4 votes171 views1 answer
Gcd of two numbers c++
C++
8 votes135 views1 answer
Arduino for command
C++