title: Get anchor part of URL in controller in Ruby on Rails
body: <p>Is there a way to get the anchor part of a URL in a controller?</p>
  
  <p>Example: if I type <a href="http://www.foo.com/bar#anchor123" rel="noreferrer">http://www.foo.com/bar#anchor123</a> can I get the string anchor123 in my controller?</p>