Check if whole string is uppercase

#include <iostream>
#include <string>
#include <algorithm>

int main() {
    std::string s = "HELLo";
    if (std::all_of(s.begin(), s.end(), [](unsigned char c){ return std::isupper(c); })) {
        std::cout << "Is uppercase." << '\n';
    } else {
        std::cout << "Is not uppercase." << '\n';
    }
}

Source: stackoverflow.com

Similar codes

0 vote168 views1 answer
C++ convert integer to digits, as vector
C++
-1 vote187 views2 answers
Number of digits in int c++
C++
0 vote252 views1 answer
C++ construnctor
C++
0 vote170 views1 answer
Check if a variable is tring c++
C++
0 vote185 views1 answer
Bnchch
C++
0 vote156 views1 answer
Glut keyboard input
C++
0 vote188 views2 answers
C++ string to wstring
C++
0 vote196 views1 answer
C++ read_ascii
C++
5 votes168 views3 answers
C++ random number within range
C++
0 vote186 views1 answer
Get first and last character of string c++
C++