title: vim : Find a pattern, skip a word and append something in all matching lines
body: <p>I am aware of the simple search and replace commands <code>(:%s/apple/orange/g)</code> in vim where we find all 'apples' and replace them with 'orange'.</p>
  
  <p>But is it possible to do something like this in vim? 
  Find all 'Wheat' in a file and append "store" after skipping the next word (if any)?</p>
  
  <p>Example:
  Original file contents :</p>
  
  <pre><code>Wheat flour
  Wheat bread
  Rice flour
  Wheat
  </code></pre>
  
  <p>After search and replace:</p>
  
  <pre><code>Wheat flour store
  Wheat bread store
  Rice flour
  Wheat store
  </code></pre>