func.cpp

void numbersToBinary(string &src)
{
    for (string::iterator iter = src.begin(); iter != src.end(); iter++)
    {
        if (isdigit(*iter))
        {
            string::iterator numberStart = iter++; //numberStart = iter;
            while (src.end() != iter && (isdigit(*iter)))
            {
                iter++;
            }
            string ins = decimalToBinary(string(numberStart, iter));
            src.replace(numberStart, iter, ins);
        }
    }

}