title: Searching comma-separated numbers within a cell
body: <p>I have a column with many comma-separated numbers, e.g.:</p>
  
  <pre><code>   100633,101
  
      123,12
  
     100633,1000
  </code></pre>
  
  <p>How do I search whether a particular cell contains the number <code>100633</code>?</p>