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bpo-40016: re docstring: Clarify relationship of inline and argument flags (#19078) 

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
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Ram Rachum 2020-03-25 20:44:47 +02:00 committed by GitHub
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6
Lib/re.py
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@ -44,7 +44,7 @@ The special characters are:
"|" A|B, creates an RE that will match either A or B. "|" A|B, creates an RE that will match either A or B.
(...) Matches the RE inside the parentheses. (...) Matches the RE inside the parentheses.
The contents can be retrieved or matched later in the string. The contents can be retrieved or matched later in the string.
(?aiLmsux) Set the A, I, L, M, S, U, or X flag for the RE (see below). (?aiLmsux) The letters set the corresponding flags defined below.
(?:...) Non-grouping version of regular parentheses. (?:...) Non-grouping version of regular parentheses.
(?P<name>...) The substring matched by the group is accessible by name. (?P<name>...) The substring matched by the group is accessible by name.
(?P=name) Matches the text matched earlier by the group named name. (?P=name) Matches the text matched earlier by the group named name.
@ -97,7 +97,9 @@ This module exports the following functions:
purge Clear the regular expression cache. purge Clear the regular expression cache.
escape Backslash all non-alphanumerics in a string. escape Backslash all non-alphanumerics in a string.
Some of the functions in this module takes flags as optional parameters: Each function other than purge and escape can take an optional 'flags' argument
consisting of one or more of the following module constants, joined by "|".
A, L, and U are mutually exclusive.
A ASCII For string patterns, make \w, \W, \b, \B, \d, \D A ASCII For string patterns, make \w, \W, \b, \B, \d, \D
match the corresponding ASCII character categories match the corresponding ASCII character categories
(rather than the whole Unicode categories, which is the (rather than the whole Unicode categories, which is the

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Misc/NEWS.d/next/Library/2020-03-19-19-40-27.bpo-40016.JWtxqJ.rst Normal file
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@ -0,0 +1 @@
In re docstring, clarify the relationship between inline and argument compile flags.