title: 500 internal server error with RewriteRule php
body: <pre><code>RewriteEngine On
  RewriteRule ^([a-zA-Z0-9_-\s]+)/([a-zA-Z0-9_-\s]+)/([a-zA-Z0-9_-\s()]+)/?$ product.php?group=$1&amp;salt=$2&amp;name=$3 [L]
  </code></pre>
  
  <p>It was working fine with my previous hosting but when i change my hosting to 1and1 (Linux) its gives me 500 internal server error.
  Please help me whats going on?
  Thanks</p>