title: How to remove a word from the url in codeigniter without using .htaccess
body: <p>I have a site with urls:</p>
  
  <pre><code>http://example.com/controller-name/page/about
  http://example.com/controller-name/page/contactus
  http://example.com/controller-name/page/services
  </code></pre>
  
  <p>But I need the urls like:</p>
  
  <pre><code>http://example.com/controller-name/about
  http://example.com/controller-name/contactus
  http://example.com/controller-name/services
  </code></pre>
  
  <p>How to do this in <code>Codeigniter</code>?</p>