anchor.diff:      do_1(In#{<<"text">> => PreText, <<"attachments">> => nil});
   do_1(#{<<"type">> := <<"message">>, <<"text">> := Text, <<"channel">> := Channel}) ->
       Tasks0 = [
  -              {{mention, <<"remind">>},                             {?MODULE, task_remind,     [Text, Channel]}},
  +              {{mention, <<"remind.*">>},                           {?MODULE, task_remind,     [Text, Channel]}},
                 {<<"https?://[^\\s]*(pull|issue)/[0-9]*">>,           {?MODULE, task_github_url, ['$$']}},
  -              {{mention, <<"list(.*)">>},                           {?MODULE, task_list,       ['$1', Channel]}},
  +              {{mention, <<"list\\s(.*)">>},                        {?MODULE, task_list,       ['$1', Channel]}},
                 {{mention, <<"register\\s+([^\\s]*)\\s+([^\\s]*)">>}, {?MODULE, task_register,   ['$1', '$2', Channel]}},
                 {{mention, <<"user\\s+([^\\s]*)">>},                  {?MODULE, task_user,       ['$1', Channel]}},
  -              {{mention, <<"help">>},                               {?MODULE, task_help,       [Channel]}},
  -              {{mention, <<"^.*">>},                                {?MODULE, task_help,       [Channel]}}
  +              {{mention, <<"help.*">>},                             {?MODULE, task_help,       [Channel]}},
  +              {{mention, <<".*">>},                                 {?MODULE, task_help,       [Channel]}}
                ],
       Tasks = choose_tasks(Text, Tasks0),
       execute_tasks(Tasks);
  
positive.code: %% Task Functions
  %%----------------------------------------------------------------------------------------------------------------------
  
  task_remind(Text, Channel) ->
      Matches = matches(Text, <<"https?://[^\\s]*(pull|issue)/[0-9]*">>),
      Urls = [GithubUrl || [GithubUrl | _] <- Matches],
  
negative.code:             end
      end;
  choose_tasks(Text, [{Pattern, {M, F, Args0}} | Rest]) ->
      Matches0 = matches(Text, Pattern),
      case Matches0 of
          [] -> choose_tasks(Text, Rest);
          _  ->
              Matches = case Matches0 of
                            [_] -> Matches0;
                            _   -> lists:filter(fun([Hd | _]) -> Hd =/= <<>> end, Matches0)
                        end,
              [begin
                   Args = lists:map(fun(MaybeAtom) ->
                                            case is_atom(MaybeAtom) andalso atom_to_list(MaybeAtom) of
  