Haiping Tan

// Implement a palindrome checker to make the following test cases pass. This starter code is in C# but you are welcome to write your solution in any language

bool IsPalindrome(string s){
    string forward = "";
    foreach (char c in s.ToLower()) // ToLower to ignore the case
        if (char.IsLetter(c)) // ignore the period, space and other char except alphabets
           forward += c;

    var temp = forward.ToCharArray();
    Array.Reverse(temp);
    var reverse = new string(temp);
    return forward == reverse;
}

void Check(string s, bool shouldBePalindrome){
    Console.WriteLine(IsPalindrome(s) == shouldBePalindrome ? "pass" : "FAIL");
}

void Main()
{
    Check("abcba", true);
    Check("abcde", false);
    Check("Mr owl ate my metal worm", true);
    Check("Never Odd Or Even", true);
    Check("Never Even Or Odd", false);
}