title: I need to remove serial number from string
body: <p>I need to remove (1.) serial number from the string(1. this is text)
  How i remove the serial number from string and get the given output.</p>
  
  <pre><code>var str = '1. This is dummy text(1.1).';
  
  
  Output:
  
  This is dummy text(1.1).
  </code></pre>