title: How to include Plus sign in mod rewrite. I need + sign in rewritten url
body: <p>I need to use + character in URL. I'm using Apache with PHP.</p>
  
  <p><code>([A-Za-z0-9/_%-@\+]*)</code> doesn't work.</p>
  
  <p>What I need is <code>www.domain.com/c++/</code> => <code>index.php?category=c++</code></p>
  
  <p>Any help will be appreciated.</p>