check lowercase letters c++ code example
Example 1: 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);
}
Example 2: convert characters to lowercase c++
str[i] = tolower(str[i]);
Example 3: uppercase capitalise character in string c++
str[i] = toupper(str[i]);
Example 4: check if character in string is uppercase c++
if (isupper(str[i])) {
}
Example 5: check lowercase letters c++
char character = 'a';
if(character & 0x20) {
}