Changed from older versions is the regular expression handling. By default now all strings passed to expect() are treated as literals. To match a regular expression pass '-re' as a parameter in front of the pattern you want to match as a regexp.

$object->expect(15, 'match me exactly','-re','match\s+me\s+exactly');
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stated in the Expect docs, since you do not reset $err_flag if the prompt is matched.

--shmem

_($_=" "x(1<<5)."?\n".q·/)Oo.  G°\        /
                              /\_¯/(q    /
----------------------------  \__(m.====·.(_("always off the crowd"))."·
");sub _{s./.($e="'Itrs `mnsgdq Gdbj O`qkdq")=~y/"-y/#-z/;$e.e && print}