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/*
27 Feb 2019
Matthew Strapp
5449340
EE1301
Spring 2019
Homework 3B
Character Detection
*/
#include <iostream>
#include <stdlib.h>
#include <cmath>
#include <iomanip>
int charTest (char character);
int main () {
using namespace std;
int test;
char character;
bool isAlphaNumeric=true;
while (isAlphaNumeric) {
cout << "Enter a single digit or an alphabetic character: ";
cin >> character;
cout << "You entered " << character << ", ";
test = charTest(character);
if (test==0) {
isAlphaNumeric=false;
cout << "which is not a letter or a number.";
}
if (test==1) {
cout << "which is a number.";
}
if (test==2) {
cout << "which is a lower case letter.";
}
if (test==3) {
cout << "which is an upper case letter.";
}
cout << endl;
}
}
// Function: charTest
// ---------------------------
// Tests to see what kind of character was inputted
// input: character from prompt in main
// returns: 1 if number, 2 if lower case, 3 if upper case, 0 if not any of the previous
int charTest (char character) {
if (character >= '0' && character <= '9') {
return 1;
} else {
if (character>='a' && character<='z') {
return 2;
} else {
if (character>= 'A' && character<='Z') {
return 3;
} else {
return 0;
}
}
}
}
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