New submission from Min <[email protected]>:
Firstly, I wrote something like this:
patn = r"\bROW\s*\((\d+|\*)\)(.|\s)*?\)"
newlines = re.sub(patn, "\nYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY\n", newlines)
but if the file(or string) ended without the expected ")" the code deadlock
there, no progress, no exception, and no exit.
Then I changed it to :
patn = r"\bROW\s*\((\d+|\*)\)(.|\s)*?(\)|$)"
newlines = re.sub(patn, "\nYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY\n", newlines)
to enforce the rule of end of file. then everything ok.
I felt this is a but, coz RE should not die, it should exit if can't match.
it is Py3.5 on ubuntu. Thanks!
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messages: 317013
nosy: mamamiaibm
priority: normal
severity: normal
status: open
title: re.findall() dead locked whent the expected ending char not occur until
end of string
type: behavior
versions: Python 3.5
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Python tracker <[email protected]>
<https://bugs.python.org/issue33566>
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