imgur-gallery-regexen.php

<?php

$imgurPatterns = array(                                                  
 'album' => '_http(s)?://(i\.www\.)?imgur\.com/a/(?<album>[A-Za-z0-9]*)_',
 'gallery' => '_http(s)?://(i\.www\.)?imgur\.com/gallery/(?<gallery>[A-Za-z0-9]*)_',
 'image' => '_http(s)?://(i\.|www\.)?imgur\.com/(?<image>[A-Za-z0-9]*)_',
);