title: Check if text is in a string
body: <p>I want to check is some text is in a string for instance i have a string</p>
  
  <pre><code>str = "car, bycicle, bus"
  </code></pre>
  
  <p>and I have another string</p>
  
  <pre><code>str2 = "car"
  </code></pre>
  
  <p>I want to check if str2 is in str.</p>
  
  <p>I am a newbie in javascript so please bear with me :)</p>
  
  <p>Regards</p>