t/op/ref.t See if refs and objects work
t/op/regexp_noamp.t See if regular expressions work with optimizations
t/op/regexp.t See if regular expressions work
+t/op/regexp_qr.t See if regular expressions work as qr//
t/op/regmesg.t See if one can get regular expression errors
t/op/repeat.t See if x operator works
t/op/re_tests Regular expressions for regexp.t