title: Jenkins regex for multiple words for negative pattern
body: <p>Jenkins log parser plugin to make job unstable when below string found in the jenkins console</p>
  
  <p>Below two regex expressions are from a file. which tells if it finds "unknown command" or "WARNING" consider those as warning.</p>
  
  <pre><code>warning /unknown command/
  warning /(?i)\bwarning\b/i
  </code></pre>
  
  <p>How to ignore if we find "unknown command" and WARNING in below context. In Combinations</p>
  
  <pre><code>[exec] ORA-0042: unknown command ")" - rest of line ignored.
  [deployComposite] WARNING: Error in applying config plan: Namespace prefix 'ui' used but not declared.. Config plan was skipped.
  </code></pre>
  
  <p>pls help in two difference regex expression.</p>
  
  <p>Also is there a regex tool I can use to get help from</p>
  
  <p>Thanks in advance</p>