Index: branches/5.2.x/core/kernel/db/db_tag_processor.php
===================================================================
diff -u -N -r16644 -r16712
--- branches/5.2.x/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 16644)
+++ branches/5.2.x/core/kernel/db/db_tag_processor.php	(.../db_tag_processor.php)	(revision 16712)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: db_tag_processor.php 16644 2020-12-11 09:41:40Z alex $
+* @version	$Id: db_tag_processor.php 16712 2022-07-08 14:42:00Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -1959,7 +1959,8 @@
 		$title = $this->Application->ReplaceLanguageTags($title, false);
 
 		// 3. find and replace any replacement vars
-		preg_match_all('/#(.*_.*)#/Uis',$title,$rets);
+		preg_match_all('/#([a-z\d\-]+?_[a-z\d]+?)#/is', $title, $rets);
+
 		if ($rets[1]) {
 			$replacement_vars = array_keys( array_flip($rets[1]) );
 			foreach ($replacement_vars as $replacement_var) {