title: Text in URL after slash as parameter
body: <p>I want to create htaccess rule to turn this url:
  <strong>www.foo.com/?val=hello</strong>
  to:
  <strong>www.foo.com/hello</strong></p>
  
  <p>I created new rule but It is not working.</p>
  
  <pre><code>RewriteRule ^([a-zA-Z0-9]+|)/?$ index.php?s=$1 [QSA]
  </code></pre>
  
  <p>Any ideas how to do that? Thanks!</p>