notify: check for regexps starting with *

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@5398 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/FHEM/91_notify.pm

@@ -35,6 +35,7 @@ notify_Define($$)
   }
 
   # Checking for misleading regexps
+  return "Bad regexp: starting with *" if($re =~ m/^\*/);
   eval { "Hallo" =~ m/^$re$/ };
   return "Bad regexp: $@" if($@);
   $hash->{REGEXP} = $re;