title: Make a word insensitive case with .htaccess
body: <p>I've this .htaccess rule.</p>
  <pre><code># Shop-homepage
  RewriteRule ABCDEF/fr-CA/$ shop-homepage.php?lang=fr&amp;country=ca&amp;shop=ABCDEF [L,QSA]
  RewriteRule ABCDEF/en-CA/$ shop-homepage.php?lang=en&amp;country=ca&amp;shop=ABCDEF [L,QSA]
  RewriteRule ABCDEF/en-US/$ shop-homepage.php?lang=en&amp;country=us&amp;shop=ABCDEF [L,QSA]
  </code></pre>
  <p>How can I make <code>ABCDEF</code> insensitive case ?</p>
  <p>Thanks.</p>