title: 301 Redirecting all articles from a old folder to a new folder
body: <p>I need your help regarding redirect rules.</p>
  
  <p>I have an old URL structure:</p>
  
  <pre><code>www.example.com/en/news/news/single/article/SPECIFIC-ARTICLE/
  </code></pre>
  
  <p>(with SPECIFIC-ARTICLE being a placeholder for a whole bunch of articles - with a trailing slash!).</p>
  
  <p>After the relaunch the name and structure of the folders will change to:</p>
  
  <pre><code>www.example.com/en/news/SPECIFIC-ARTICLE
  </code></pre>
  
  <p>So all articles (with trailing) in the old structure should be redirected to the corresponding articles in the new structure. And shouldn't have a trailing slash anymore.</p>
  
  <p><strong>How should the mod_rewrite rule in <code>.htaccess</code> look like?
  And how would this rule change if there wasn't a trailing slash but a <code>.html</code> at the end of the old article URLs?</strong></p>