From efd98a719d154e9a8c824ba21f353213ff62f6ed Mon Sep 17 00:00:00 2001
From: Frode Petterson <frode.andre.petterson@gmail.com>
Date: Thu, 22 Apr 2021 10:18:43 +0200
Subject: [PATCH] Fix prevent unnecessary looping

---
 h5p.classes.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/h5p.classes.php b/h5p.classes.php
index 5c321c8..016dfd3 100644
--- a/h5p.classes.php
+++ b/h5p.classes.php
@@ -4257,7 +4257,7 @@ class H5PContentValidator {
       return '&lt;';
     }
 
-    if (!preg_match('%^<\s*(/\s*)?([a-zA-Z0-9\-]+)([^>]*)>?|(<!--.*?-->)$%', $string, $matches)) {
+    if (!preg_match('%^<\s*(/\s*)?([a-zA-Z0-9\-]+)\s*([^>]*)>?|(<!--.*?-->)$%', $string, $matches)) {
       // Seriously malformed.
       return '';
     }