4 fresh identifier new = id ## "_is_an_id";
12 identifier anyid.id ~= ".*foo";
13 fresh identifier contains = id ##"_contains_foo";
21 identifier anyid.id !~= ".*foo";
22 fresh identifier nocontain = id ##"_doesn_t_contain_foo";
30 identifier anyid.id ~= ".*foo$";
31 fresh identifier endsby = id ##"_ends_by_foo";
39 identifier anyid.id ~= "^foo";
40 fresh identifier beginsby = id ##"_begins_by_foo";