title: How can i get double quoted characters from a string in ruby on rails
body: <p>If I have a string in a file:</p>
  
  <pre><code>str = hi "Sonal"
  </code></pre>
  
  <p>I am able to fetch this line of file in a string. Now I want to fetch the characters between the double quotes. i.e. <code>Sonal</code>. How can I do it in ruby?</p>