/C++/C++98 check if character is integer

C++98 check if character is integer

std::string s = "1234798797";
std::istringstream iss(s);

int num = 0;

if (!(iss >> num).fail()) {
    std::cout << num << std::endl;
}
else {
    std::cerr << "There was a problem converting the string to an integer!" << std::endl;
}

Source: stackoverflow.com

Similar codes

5 votes189 views2 answers
C++ return multiple values
C++
2 votes170 views1 answer
Multiline comment in C++
C++
0 vote177 views1 answer
How to convert int to FString c++ ue4
C++
0 vote180 views1 answer
Switch in c++
C++
0 vote172 views1 answer
Dynamic memory in c++
C++
-1 vote202 views1 answer
How to parse using stringstream
C++
0 vote245 views1 answer
How to find product of a given numbers in c++
C++
0 vote195 views1 answer
C++ cout update percentage
C++
0 vote195 views1 answer
C++ enter name and surname one string
C++
11 votes182 views1 answer
Strcmp different length
C++