Method IsFloatNumber

src/base/AFStringUtils.hpp:1024–1032

query whether parameter std::string is a float number std::string or not.

    // query whether parameter std::string is a float number std::string or not.
    static bool IsFloatNumber(std::string& s)
    {
        if (s.find('.') != std::string::npos || s.find('e') != std::string::npos || s.find('E') != std::string::npos)
        {
            return true;
        }

        return false;
    }

    static bool IsDigit(const std::string& str)
    {