/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

1 vote217 views1 answer
Loop through char in string c++
C++
0 vote226 views1 answer
Public method
C++
0 vote201 views1 answer
For auto map C
C++
1 vote266 views1 answer
Multithreading
C++
0 vote224 views1 answer
Store arbitrarly large vector of doubles c++
C++
0 vote214 views1 answer
Balanced brackets in c++
C++
0 vote224 views1 answer
#include <iostream> using namespace std; int main(){ int sum1 = 100+50; int sum2 = sum1+250; int sum3 = sum2+sum2; cout<< sum1 << "\n"; cout<< sum2 << "\n"; cout<< sum3 << "\n";
C++
326 votes307 views3 answers
How to remove to an Array
C++
0 vote208 views1 answer
Stl map remove item
C++
1 vote219 views1 answer
Include guard c++
C++