title: Excel find keywords in text
body: <p>I have an export of various OUs in active directory and import it into Excel, but I need to label each row by category or keyword. So I have a sheet of categories and I want to loop through the categories per cell (or AD OU). </p>
  
  <p>This is what I have so far, but it is only singular and doesn't allow for multiple search/category/keyword terms.</p>
  
  <pre><code>=IF(ISNUMBER(SEARCH('Keywords'!A1,B1)),'Keywords'!B1)
  </code></pre>