title: Comparing comma separated strings
body: <p>I have 2 string's </p>
  
  <pre><code>string1="fruit,animal,vehicle";
  string2="plane,fruit,culture,animal";
  </code></pre>
  
  <p>So if i compare string1 and string2 it should say true since fruit,animal is present in the string in both the strings else 
  false if nothing is present. </p>