/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

3 votes94 views1 answer
Find in set of pairs using first value cpp
C++
-1 vote62 views1 answer
Dynamic 2d array c++
C++
7 votes56 views2 answers
Initialization list c++
C++
2 votes99 views1 answer
Check gpu usage jetson nano
C++
0 vote97 views1 answer
Bash script add another user
C++
0 vote103 views2 answers
Cplusplusbtutotrail
C++
8 votes108 views1 answer
Remove last letter in string c++
C++
0 vote53 views1 answer
Std::vector to array
C++
2 votes97 views1 answer
C++ time nanoseconds
C++
0 vote102 views1 answer
Xor in c++
C++