title: Ruby exclude value in range
body: <p>I want to build an array using range (0..x) while excluding certain ranges and values.</p>
  
  <p>Example: </p>
  
  <pre><code>array = [1, 2, 3, .., 50, 60, .., 98, 100]
  </code></pre>
  
  <p>How is this done?</p>