title: nodejs express - case sensitive URL's
body: <p>How to make URL's case sensitive?</p>
  <h1>app.get()</h1>
  <pre><code>app.get('/([a-z]{2}/)api*', function(request, response){});
  </code></pre>
  <p>Here this app.get() catch both <code>/EN/api</code> <code>/eN/api</code></p>
  <p>What can I do so it only catches lower case URL's like <code>/en/api</code> ??</p>