check if string is all uppercase c++ code example

Example 1: c++ check if string contains uppercase

#include <algorithm>

any_of(str.begin(), str.end(), isupper)

Example 2: check uppercase c++

char character = 'A'; //0100 0001
if((character & 0x20) == 0) {
	//is uppercase
}

Example 3: check if character in string is uppercase c++

if (isupper(str[i])) {
	// str[i] is uppercase
}