title: How to compare values foreach inside a foreach
body: <p>How would like to to compare values in this nested foreach.
      I want to compare and if they match print YES for example.
  Cheers</p>
  
  <pre><code>using System;
  
  class Program
  {
      static void Main()
      {
          // Use a string array to loop over.
          string[] ferns =
          {
              "apple",
              "Equisetopsida",
              "Marattiopsida",
              "Polypodiopsida"
          };
  
          string[] fruits=
          {
              "apple",
              "mango",
              "Marattiopsida",
              "Polypodiopsida"
          };
          // Loop with the foreach keyword.
          foreach (string value in ferns)
          {
              Console.WriteLine(value);
  
              foreach (string value in fruits)
              {
                  Console.WriteLine(value);
              }
  
              //I would like to compare values here.
              //Compare frens values against fruits values.
              //How can i achieve this
  
  
          }
      }
  }
  </code></pre>