title: Find url in plain text and insert HTML A markups
body: <p>I have text with URL and I need to wrap them with HTML A markup, how to do that in c#?</p>
  
  <p>Example, I have</p>
  
  <pre class="lang-none prettyprint-override"><code>My text and url http://www.google.com The end.
  </code></pre>
  
  <p>I would like to get</p>
  
  <pre class="lang-none prettyprint-override"><code>My text and url &lt;a href="http://www.google.com"&gt;http://www.google.com&lt;/a&gt; The end.
  </code></pre>