AfooBfoo/CfooD
Afoo/BfooCfoo/D
foo1
=1=
y
=2=
135
==
ignore parens 1
ignore parens 2
foop1
foop2
foop3
(foop4)
---
a1
b3
c5
---- for ulimit ---
1234
5678
      2       7      38
--- for exit code ---
127
3