title: Finding fields in String java regular expression
body: <p>I am not good at Java regular expressions. </p>
  
  <p>I have following text </p>
  
  <pre><code>[[image:testimage.png||height=\"481\" width=\"816\"]]
  </code></pre>
  
  <p>I want to extract image: , height and width from above text. Could someone help me writing regular expression to achieve it ?</p>