//
// ex9_47_2.cpp
// Exercise 9.47
//
// Created by pezy on 12/5/14.
//
// @Brief Write a program that finds each numeric character
// and then each alphabetic character in the string "ab2c3d7R4E6".
// Write two versions of the program. The first should use find_first_of,
// and the second find_first_not_of.
// @Version find_first_not_of

#include <string>
#include <iostream>

using std::string; using std::cout; using std::endl;

int main()
{
 string numbers{ "0123456789" };
 string alphabet{ "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" };
 string str{ "ab2c3d7R4E6" };

 cout << "numeric characters: ";
 for (int pos = 0; (pos = str.find_first_not_of(alphabet, pos)) != string::npos; ++pos)
 cout << str[pos] << " ";
 cout << "\nalphabetic characters: ";
 for (int pos = 0; (pos = str.find_first_not_of(numbers, pos)) != string::npos; ++pos)
 cout << str[pos] << " ";
 cout << endl;

 return 0;
}