/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

-1 vote192 views5 answers
Memset in c++
C++
101 votes288 views6 answers
How to turn int into string c++
C++
0 vote157 views3 answers
Best gun in freefire for headshot
C++
1 vote139 views1 answer
System cpp
C++
1 vote191 views1 answer
Xmake set binary name
C++
0 vote148 views1 answer
Auto keyword
C++
6 votes151 views2 answers
Indexing strings in c++
C++
0 vote159 views2 answers
. Shell sort in c++
C++
-2 votes145 views1 answer
How to iterate through array in c++
C++
0 vote138 views1 answer
C++ file handiling
C++