title: how to manipulate strings in jQuery (especially, finding sub-string in a string)
body: <p>let's say, for instance, I have this</p>
  
  <pre><code>&lt;h2&gt;I don't love Programming&lt;/h2&gt;
  </code></pre>
  
  <p>I'd like to remove <strong>'don't'</strong> from the text inside the h2 tag.</p>
  
  <p>So far, I've done this</p>
  
  <pre><code>var content = $(h2).text();
  </code></pre>
  
  <p>That's allow me to get the text <strong>'I don't love Programming'</strong>. But I need a way to locate <strong>don't</strong> and replace it by something else or simply remove it.</p>
  
  <p>Thanks for helping </p>