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

3 votes213 views3 answers
Largest Subarray with Zero Sum
C++
2 votes172 views1 answer
Cannot find -lsqlite3 C++ compiler error
C++
0 vote177 views1 answer
C++ Attribute Parser
C++
1 vote222 views1 answer
Remove () not working c++
C++
0 vote186 views1 answer
What is the format specifier for dword c++
C++
0 vote181 views1 answer
PUBG_APIKEY=<your-api-key> npm t
C++
1 vote214 views1 answer
Calculate time difference cpp
C++
19 votes207 views3 answers
File reading c++
C++
0 vote177 views1 answer
Sleep system function linux c++
C++
1 vote175 views1 answer
How to read a comma delimited file into an array c++
C++