console.js/FHEMWEB.pm: check for bad filter (Forum #43111)

git-svn-id: https://svn.fhem.de/fhem/trunk@9703 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/FHEM/01_FHEMWEB.pm

@@ -2466,7 +2466,7 @@ FW_Notify($$)
       my $dt = $dev->{TYPE};
       for(my $i = 0; $i < $max; $i++) {
         my $line = ("$tn $dt $dn ".$events->[$i]."<br>");
-        push @data,$line if($line =~ m/$h->{filter}/);
+        eval { push @data,$line if($line =~ m/$h->{filter}/) }
       }
     }
   }

fhem/www/pgm2/console.js

@@ -84,6 +84,11 @@ consStart()
         { text:"Cancel", click:function(){ $(this).dialog('close'); }},
         { text:"OK", click:function(){
           var val = $("#filtertext").val().trim();
+          try { 
+            new RegExp(val ? val : ".*");
+          } catch(e) {
+            return FW_okDialog(e);
+          }
           consFilter = val ? val : ".*";
           $(this).dialog('close');
           $("a#eventFilter").html(consFilter);