title: Find with Regular Expression, with exception
body: <p>I have to find with exception something like this:</p>
  
  <p>find: dt</p>
  
  <p>Expected Results:  dt, blabladtblabla ...</p>
  
  <p>Except:  width</p>
  
  <p>In other words, I need to find all strings with "dt" chars, except if string is "width"</p>
  
  <ul>
  <li>I'm using TextCrawler / English to find and replace strings</li>
  </ul>