From bd9486dc0cfa37b9dca0a5109ff56ed5ccd1741f Mon Sep 17 00:00:00 2001
From: justme-1968 <justme-1968@users.noreply.github.com>
Date: Sat, 8 Feb 2020 15:56:46 +0000
Subject: [PATCH] 33_readingsGroup.pm: possible fix for unescaped { in regex

git-svn-id: https://svn.fhem.de/fhem/trunk@21150 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/33_readingsGroup.pm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/fhem/FHEM/33_readingsGroup.pm b/fhem/FHEM/33_readingsGroup.pm
index 5ebeb9ad6..c91f31435 100644
--- a/fhem/FHEM/33_readingsGroup.pm
+++ b/fhem/FHEM/33_readingsGroup.pm
@@ -1422,7 +1422,12 @@ readingsGroup_Notify($$)
             next;
           }
 
-          next if( defined($regex) && $reading !~ m/^$regex$/);
+          if( $regex ) {
+            my $regex = $regex;
+            $regex =~ s/\{/\\\{/g;
+            $regex =~ s/\}/\\\}/g;
+            next if( $reading !~ m/^$regex$/);
+          }
 
           my $value = $value;
           if( $format eq 't' || $format eq 'sec' ) {