Answers for "turn upper case to lower case c++"

C++

how to change string to lowercase and uperCase in c++

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

string uperCase(string input){
  transform(input.begin(), input.end(), input.begin(), ::toupper);
  return input;
};

string lowerCase(string input){
  transform(input.begin(), input.end(), input.begin(), ::tolower);
  return input;

};

int main()
{
  string input;

  cout <<"Please enter: ";
  cin >> input;

  cout << "Uper Case: "<<uperCase(input) << endl;
  cout << "Lower Case: "<<lowerCase(input) << endl;

}

Posted by: Guest on February-12-2022

how to compare lower case character to uppercase cpp

for(int i=0;i<str.size();i++){
int c = str[i]; 
        if (islower(c))  
            str[i] = toupper(c);
}

Posted by: Guest on April-25-2020

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;
}

Posted by: Guest on May-31-2021

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