title: search grep with two parameters exactly
body: <p>how to do a grep with two parameter (operation AND); that find all lines that containt the word succeeded and failed exactly.</p>
  
  <p>EG: </p>
  
  <pre><code>1. succeeded, failed
  2. failed, succeeded
  3. failed,failed
  4. succeeded, succeeded
  5. failed
  6. faileds
  7. succeeded
  </code></pre>
  
  <p>I need that search return the lines that containt words "succeeded" and "failed", as line 1, 2 and 4</p>