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diff --git a/lib/perl/Requests/WebDAVRequest.pm b/lib/perl/Requests/WebDAVRequest.pm
index 8d5b89e6..2b6ea4d9 100644
--- a/lib/perl/Requests/WebDAVRequest.pm
+++ b/lib/perl/Requests/WebDAVRequest.pm
@@ -134,7 +134,7 @@ sub get_prop_stat {
     $fn .= $is_dir && $fn !~ /\/$/xms ? q{/} : q{};
     foreach my $prop ( @{$props} ) {
         my ( $xmlnsuri, $propname ) = ( 'DAV:', $prop );
-        if ( $prop =~ /^{([^}]*)}(.*)$/xms ) {
+        if ( $prop =~ /^[{]([^}]*)[}](.*)$/xms ) {
             ( $xmlnsuri, $propname ) = ( $1, $2 );
         }
 
diff --git a/lib/perl/WebDAV/Properties.pm b/lib/perl/WebDAV/Properties.pm
index 2baf319b..a9ee2d73 100644
--- a/lib/perl/WebDAV/Properties.pm
+++ b/lib/perl/WebDAV/Properties.pm
@@ -139,7 +139,7 @@ sub set_property {
     my $rfn = $self->resolve($fn);
     my $ru  = $REQUEST_URI;
     my ( $ns, $pn );
-    if ( $propname =~ /^{([^}]+)}(.*)$/xms ) {
+    if ( $propname =~ /^[{]([^}]+)[}](.*)$/xms ) {
         ( $ns, $pn ) = ( $1, $2 );
     }
 
@@ -186,7 +186,7 @@ sub set_property {
         if (   $parref
             && ref($parref) eq 'HASH'
             && ( !${$parref}{xmlns} || ${$parref}{xmlns} eq q{} )
-            && $n !~ /^{[^}]*}/xms )
+            && $n !~ /^[{][^}]*[}]/xms )
         {
             $n = '{}' . $n;
         }
diff --git a/lib/perl/WebDAV/XMLHelper.pm b/lib/perl/WebDAV/XMLHelper.pm
index 10ec2ceb..c8116927 100644
--- a/lib/perl/WebDAV/XMLHelper.pm
+++ b/lib/perl/WebDAV/XMLHelper.pm
@@ -229,7 +229,7 @@ sub get_namespace_uri {
 
 sub nonamespace {
     my ($prop) = @_;
-    $prop =~ s/^{[^}]*}//xms;
+    $prop =~ s/^[{][^}]*[}]//xms;
     return $prop;
 }
 
diff --git a/lib/perl/WebInterface/Common.pm b/lib/perl/WebInterface/Common.pm
index a4236fae..6fa904cf 100644
--- a/lib/perl/WebInterface/Common.pm
+++ b/lib/perl/WebInterface/Common.pm
@@ -562,7 +562,7 @@ sub _get_varref {
         if ( defined $self->{$str} ) {
             return $self->{$str};
         }
-        if ($str=~/^(.*){(.*?)}/xms) {
+        if ($str=~/^(.*)[{](.*?)[}]/xms) {
             $ref = $DefaultConfig::{$1}{$2};
             return $ref;
         }
diff --git a/lib/perl/WebInterface/Extension/PropertiesViewer.pm b/lib/perl/WebInterface/Extension/PropertiesViewer.pm
index 2f6223e8..be7ba438 100644
--- a/lib/perl/WebInterface/Extension/PropertiesViewer.pm
+++ b/lib/perl/WebInterface/Extension/PropertiesViewer.pm
@@ -157,7 +157,7 @@ sub _render_viewer {
         my $title = create_xml( $r200{prop},        1 );
         my $value = create_xml( $r200{prop}{$prop}, 1 );
         my $namespace = get_namespace_uri($prop);
-        if ( $prop =~ /^{([^}]*)}/xms ) {
+        if ( $prop =~ /^[{]([^}]*)[}]/xms ) {
             $namespace = $1;
         }
         push @bgstyleclasses, shift @bgstyleclasses;
diff --git a/lib/perl/WebInterface/View/Simple/RenderFileListTable.pm b/lib/perl/WebInterface/View/Simple/RenderFileListTable.pm
index 44cfd894..972d431f 100644
--- a/lib/perl/WebInterface/View/Simple/RenderFileListTable.pm
+++ b/lib/perl/WebInterface/View/Simple/RenderFileListTable.pm
@@ -85,7 +85,7 @@ sub render_file_list_table {
         unselectable => $self->is_unselectable($fn)        ? 'yes' : 'no',
     );
     $filelisttabletemplate =~
-        s/[\$]{?(\w+)}?/exists $stdvars{$1} && defined $stdvars{$1}?$stdvars{$1}:"\$$1"/xmegs;
+        s/[\$][{]?(\w+)[}]?/exists $stdvars{$1} && defined $stdvars{$1}?$stdvars{$1}:"\$$1"/xmegs;
     my %jsondata = (
         content => $self->minify_html(
             $self->render_template( $fn, $ru, $filelisttabletemplate )
@@ -253,8 +253,8 @@ sub _render_file_list_entry {
     my $displayname = $self->{cgi}->escapeHTML( $self->{backend}->getDisplayName($full) );
     my $now = $self->{c}{_render_file_list_entry}{now}{$lang} //= DateTime->now( locale => $lang );
     my $cct = $self->can_create_thumb($full);
-    my $u   = $self->{c}{_render_file_list_entry}{uid}{$uid // 'unknown'} //= $uid && $uid=~/^\d+$/xms ? scalar getpwuid( $uid ) : $uid ? $uid : 'unknown';
-    my $g   = $self->{c}{_render_file_list_entry}{gid}{$gid // 'unknown'} //= $gid && $gid=~/^\d+$/xms ? scalar getgrgid( $gid ) : $gid ? $gid : 'unknown';
+    my $u   = $self->{c}{_render_file_list_entry}{uid}{$uid // 'unknown'} //= $uid && $uid=~/^\d+$/xms ? scalar getpwuid( $uid ) // $uid: $uid ? $uid : 'unknown';
+    my $g   = $self->{c}{_render_file_list_entry}{gid}{$gid // 'unknown'} //= $gid && $gid=~/^\d+$/xms ? scalar getgrgid( $gid ) // $gid: $gid ? $gid : 'unknown';
     my $icon = $self->{c}{_render_file_list_entry}{icon}{$mime}
         //= $self->get_icon($mime);
     my $enthumb = $self->{c}{_render_file_list_entry}{cookie}{thumbnails}