using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var patientNames = new Dictionary<string, string> {

            { "a", "a"},{ "ab", "ab"},{ "abc", "abc*"},{ "****", "*"},{"taco*bell","tacobell*"},{"",""}

        };

        foreach(var patientNameSet in patientNames) {

            var patientName = patientNameSet.Key;

            var testName = string.IsNullOrEmpty(patientName) || (patientName.IndexOf("*") < 0 && patientName.Length < 3) ? patientName : patientName.Replace("*", "") + "*";

            Console.WriteLine("Source: "+patientName + " | Expected: "+patientNameSet.Value + " | Result: "+testName + " | => " + (patientNameSet.Value == testName));

        }

    }

}