/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

10 votes187 views3 answers
Integer to char c++
C++
0 vote208 views1 answer
Assignment operator with pointers c++
C++
1 vote177 views1 answer
C++ print variable address
C++
0 vote247 views1 answer
Is vscode better than sublime
C++
0 vote185 views1 answer
C++ read each char of string
C++
2 votes187 views1 answer
How to use python sleep function on c++
C++
37 votes179 views3 answers
C++ hello word
C++
0 vote179 views1 answer
How to print an array in cpp in single line
C++
0 vote210 views1 answer
Switch cout print with a prameter c++
C++
0 vote185 views1 answer
#pragma GCC target ("avx2") #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops")
C++