title: filtering and search with Regex C#
body: <p>I want to write a command that shows me, for example, "this" <strong>to</strong> "that", everything that appears between these two words.</p>
  
  <p>Example: "From my <strong>university</strong> to my friend's <strong>house</strong> is 20 miles away."</p>
  
  <p>Filter = "<strong>university</strong>" and "<strong>house</strong>".</p>
  
  <p>Result = "<strong>to my friend's</strong>"</p>
  
  <p>That will show me the result.</p>
  
  <p><strong>Please Help Me.</strong> I need this code.</p>
  
  <blockquote>
    <p>I think Regex can write this command, but I do not know.</p>
  </blockquote>