title: search multiple pattern in file and delete line if pattern matches
body: <p>For ex, a file contain contents:</p>
  
  <pre><code>10.45.56.84 raj
  10.49.31.81 mum
  10.49.31.86 mum
  10.81.51.92 guj
  10.45.56.116 raj
  10.45.56.84 raj
  </code></pre>
  
  <p>I want to search <code>10.45.56.84</code> and <code>10.81.51.92</code> in the above file and delete line if pattern matches.</p>
  
  <p>Also i want to do this in single command. </p>