Remove text after last full stop " . "
<p>i want to remove all the text after the last occurring of " . " in a given paragraph.</p>

<p>For example from this paragraph i want to remove all text after last full stop.</p>

<p>Contrary to popular belief, Lorem Ipsum is not simply random text. It has roots in a piece of classical Latin literature from 45 BC, making it over 2000 years old. Rich</p>

<p>Length of the paragraph is dynamic only thing to be removed is text after last " . "</p>
