public bool IsPalindrome(string s)
    {
        // use Regex to easily remove special characters and spaces from our string
        var trimmedString = Regex.Replace(s, "[^a-zA-Z0-9]", "").ToLower();
        // create an array from the string so we can iterate through it
        trimmedString.ToCharArray();
        // we need to track both the Forward facing and Backward facing iterations of this array so I am initializing the index starting at the end of the array here.
        int j = trimmedString.Length - 1;
        // each time we loop through our array we will increase i and decrease j to compare both the forward and backward letter of the string.
        for (int i = 0; i < trimmedString.Length; i++, j--)
        {
            if (trimmedString[i] != trimmedString[j])
            {
                // if the letters are ever not the same it means this is not a palindrome and we can end the loop/return false
                return false;
            }
        }
        // if we iterate through the entire string and each letter matches then we return true since it is a palindrome
        return true;
    }