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�searcher_stringa- This is a plain string search helper for the spawn.expect_any() method.
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eof_index - index of EOF, or -1
timeout_index - index of TIMEOUT, or -1
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end - index into the buffer, first byte after match
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� searcher_reaV This is regular expression string search helper for the
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timeout_index - index of TIMEOUT, or -1
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start - index into the buffer, first byte of match
end - index into the buffer, first byte after match
match - the re.match object returned by a successful re.search
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