diff --git a/helper.php b/helper.php
index ebde44f..4848b4c 100644
--- a/helper.php
+++ b/helper.php
@@ -217,6 +217,9 @@ function get_flags($setflags) {
                 case 'noreadmore':
                     $flags['readmore'] = 0;
                     break;
+                case 'include':
+                    $flags['include'] = $value;
+                    break;
                 case 'exclude':
                     $flags['exclude'] = $value;
                     break;
@@ -730,6 +733,13 @@ function _get_included_pages($mode, $page, $sect, $parent_id, $flags) {
                 $pages[] = $page;
         }
 
+        if (isset($flags['include']))
+            $pages = array_filter($pages, function ($page) use ($flags) {
+                if (@preg_match($flags['include'], $page))
+                    return TRUE;
+                return FALSE;
+            });
+
         if (isset($flags['exclude']))
             $pages = array_filter($pages, function ($page) use ($flags) {
                 if (@preg_match($flags['exclude'], $page))