/C++/C++ function for checking if a sting is a number

C++ function for checking if a sting is a number

bool is_number(const std::string& s)
{
    std::string::const_iterator it = s.begin();
    while (it != s.end() && std::isdigit(*it)) ++it;
    return !s.empty() && it == s.end();
}

Source: stackoverflow.com

C++ function for checking if a sting is a number

bool isParam (string line)
{
    if (isdigit(atoi(line.c_str())))
        return true;

    return false;
}

Source: stackoverflow.com

Similar codes

0 vote142 views2 answers
Why magnetron should be placed inside solenoid
C++
18 votes128 views4 answers
How to string to integer in c++
C++
0 vote209 views1 answer
Sort n characters in descending order c++
C++
1 vote135 views1 answer
How to get a letter from the users string in c++
C++
1 vote136 views1 answer
C++ copy file to another directory
C++
1 vote173 views1 answer
C++ vs c#
C++
0 vote173 views2 answers
Shortest path in unweighted graph bfs
C++
14 votes99 views6 answers
Cout c++
C++
0 vote131 views1 answer
How-to-read-until-eof-from-cin-in-c++
C++
0 vote170 views1 answer
Assert warning c++
C++