onig_noname_group_capture_is_active  835 include/ruby/oniguruma.h int onig_noname_group_capture_is_active P_((OnigRegex reg));
onig_noname_group_capture_is_active 3707 re.c                       if (!NIL_P(regexp) && onig_noname_group_capture_is_active(RREGEXP_PTR(regexp))) {