title: change regex to match some words instead of all words containing PRP
body: <p>This regex matches all characters between whitespace if the word contains <code>PRP</code>.</p>
  
  <p>How can I get it to match all words, or characters in-between whitepsace, if they contain <code>PRP</code>, but not if they contain <code>me</code> in any case.</p>
  
  <p>So match all words containing PRP, but not containing ME or me.</p>
  
  <p>Here is the regex to match words containing PRP: <code>\S*PRP\S*</code></p>