title: Convert a string containing monthName to Int of MonthDigit
body: <p>I have a string which has short month name in it.\</p>
  
  <pre><code>string month = "Jun";
  </code></pre>
  
  <p>I need to get month in digit from this month name.</p>
  
  <p>Say i do this:</p>
  
  <pre><code>int monthInDigit = getMonth(month);
  
  monthInDigit &lt;-- 6
  </code></pre>
  
  <p>How can i achieve this. If you cant get my question pleases comment i will explain it proprly.</p>
  
  <p>Thanxx in advance</p>