anchor.diff:                                     {ok, [{app, Name}]}),
       {ok, Files2} = rebar_utils:list_dir(EbinDir),
       ?assert(false==lists:member("rec.beam",Files2)),
  -
       ok.
  +
  +regex_filter_skip(Config) ->
  +    AppDir = ?config(apps, Config),
  +    Name = rebar_test_utils:create_random_name("regex_skip"),
  +    Vsn = rebar_test_utils:create_random_vsn(),
  +    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),
  +    rebar_test_utils:write_src_file(filename:join(AppDir,src),"._rec.erl"),
  +    Expected = filename:join([AppDir, "_build", "default", "lib", Name, "ebin","._rec.beam"]),
  +
  +    RebarConfig = [],
  +    try
  +        rebar_test_utils:run_and_check(Config, RebarConfig, ["compile"],
  +                                             {ok, [{file, Expected}]}),
  +        throw(should_not_be_found)
  +    catch
  +        error:{assert,_} -> % the file was not found, as desired!
  +            ok
  +    end.
  +
  +regex_filter_regression(Config) ->
  +    AppDir = ?config(apps, Config),
  +    Name = rebar_test_utils:create_random_name("regex_regression"),
  +    Vsn = rebar_test_utils:create_random_vsn(),
  +    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),
  +    rebar_test_utils:write_src_file(filename:join(AppDir,src),"r_f.erl"),
  +    Expected = filename:join([AppDir, "_build", "default", "lib", Name, "ebin","r_f.beam"]),
  +    RebarConfig = [],
  +    rebar_test_utils:run_and_check(Config, RebarConfig, ["compile"],
  +                                   {ok, [{file, Expected}]}),
  +    ok.
  +
  
positive.code:          always_recompile_when_erl_compiler_options_set/1,
           recompile_when_parse_transform_inline_changes/1,
           recompile_when_parse_transform_as_opt_changes/1,
           recursive/1,no_recursive/1]).
  
  -include_lib("common_test/include/ct.hrl").
  -include_lib("eunit/include/eunit.hrl").
  
negative.code:      include_file_relative_to_working_directory_test, include_file_in_src_test,
       recompile_when_parse_transform_as_opt_changes,
       recompile_when_parse_transform_inline_changes,
       regex_filter_skip, regex_filter_regression,
       %% recompile behaviour when `ERL_COMPILER_OPTIONS` differs prior to 19.x
       recursive, no_recursive] ++ recompile_when_env_changes_test().
  
  