// Robert Burns
// Assignment: Lab 9 P1 : Palindrome Checker - With Functions and Counters
// 10-21-2016

#include<iostream>
#include<string>
#include<cctype>

using namespace std;

//http://www.cplusplus.com/forum/beginner/160611/ line 12-16,25
string filter(string& normstr){
    for(int num = 1; num < normstr.size(); num++){
         if(!isalpha(normstr[num])) normstr.erase(num, 1);
    }
    return normstr;
}
//https://www.youtube.com/watch?v=XUmZcK44lsc
void MakeUppercase(string& filtstr){
    for(int i = 0; i < filtstr.length(); i++){
    filtstr[i] = toupper(filtstr[i]);
    }
}

int main(){

    cout << "Enter a string: ";

    string unfiltered;
    getline(cin, unfiltered);
    string filtstr = filter(unfiltered);// Filtered string
    string rtstlif = string(unfiltered.rbegin(),unfiltered.rend()); // String reverse function https://www.youtube.com/watch?v=Nuv99G7S_5E line 26

    MakeUppercase(filtstr);

    if(unfiltered == rtstlif){
        cout << filtstr << " is a palindrome" << endl;
    }

    return 0;}