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author | Zachary Ware <zachary.ware@gmail.com> | 2015-11-12 05:32:14 (GMT) |
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committer | Zachary Ware <zachary.ware@gmail.com> | 2015-11-12 05:32:14 (GMT) |
commit | 71a0b43854164b6ada0026d90f241c987b54d019 (patch) | |
tree | fb322283420c23d6ef4ecc3b99d245a35c6697a7 /Doc | |
parent | e1dc3d47e0a5cc4b390cc9eb70c5a5153c309cb2 (diff) | |
download | cpython-71a0b43854164b6ada0026d90f241c987b54d019.zip cpython-71a0b43854164b6ada0026d90f241c987b54d019.tar.gz cpython-71a0b43854164b6ada0026d90f241c987b54d019.tar.bz2 |
Rewrite re.VERBOSE section.
It now has slightly better rationale and a less awkward wording in the
explanation.
Inspired by a report of a neither/or conflict by 'animalize' on docs@.
Diffstat (limited to 'Doc')
-rw-r--r-- | Doc/library/re.rst | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/Doc/library/re.rst b/Doc/library/re.rst index c3c8b65..cae6874 100644 --- a/Doc/library/re.rst +++ b/Doc/library/re.rst @@ -548,13 +548,15 @@ form. .. data:: X VERBOSE - This flag allows you to write regular expressions that look nicer. Whitespace - within the pattern is ignored, except when in a character class or preceded by - an unescaped backslash, and, when a line contains a ``'#'`` neither in a - character class or preceded by an unescaped backslash, all characters from the - leftmost such ``'#'`` through the end of the line are ignored. - - That means that the two following regular expression objects that match a + This flag allows you to write regular expressions that look nicer and are + more readable by allowing you to visually separate logical sections of the + pattern and add comments. Whitespace within the pattern is ignored, except + when in a character class or when preceded by an unescaped backslash. + When a line contains a ``#`` that is not in a character class and is not + preceded by an unescaped backslash, all characters from the leftmost such + ``#`` through the end of the line are ignored. + + This means that the two following regular expression objects that match a decimal number are functionally equal:: a = re.compile(r"""\d + # the integral part |