title: Highlight any cell without specific characters (lower case a-z) inside
body: <p>I have some garbled characters (or, not garbled, but non-English characters such as A's with Scandinavian accents, etc), and I need to ferret them out of around 80,000 entries.</p>
  
  <p>Can I write a formula to pick up and flag any cell that contains anything <strong>other</strong> than </p>
  
  <blockquote>
    <p>abcdefghijklmnopqrstuvwxyz?</p>
  </blockquote>