title: Matching a specific string between two forward slashes
body: <p>I need to find all %20's between two forward slashes.</p>
  
  <pre><code>example.com/book%20/picture1.jpg
  example.com/book%20/picture2.jpg
  example.com/book%20/picture3.jpg
  example.com/pages/picture%20book1.jpg
  example.com/pages/picture%20book2.jpg
  example.com/pages/picture%20book3.jpg
  </code></pre>
  
  <p>It should find the first 3 links, not the last 3.</p>
  
  <p>I cant seem to figure it out.</p>