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| author | DongHun Kwak <dh0128.kwak@samsung.com> | 2017-07-12 11:06:20 +0900 |
|---|---|---|
| committer | DongHun Kwak <dh0128.kwak@samsung.com> | 2017-07-12 11:07:03 +0900 |
| commit | 6f2d28a8c10b2a342d42c4f495ea8844cce77d74 (patch) | |
| tree | d3b8edb671ffac94d74364c427d1506fa81eafa9 /Doc/library/re.rst | |
| parent | 752ffe24f181daff5b50cc59a05e4a7606ce1a62 (diff) | |
| download | python-6f2d28a8c10b2a342d42c4f495ea8844cce77d74.tar.gz python-6f2d28a8c10b2a342d42c4f495ea8844cce77d74.tar.bz2 python-6f2d28a8c10b2a342d42c4f495ea8844cce77d74.zip | |
Imported Upstream version 2.7.13upstream/2.7.13
Change-Id: Ide143efb88a819e2d9b350dbcbbfa75b890f0667
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>
Diffstat (limited to 'Doc/library/re.rst')
| -rw-r--r-- | Doc/library/re.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Doc/library/re.rst b/Doc/library/re.rst index 1239434..7b76d0c 100644 --- a/Doc/library/re.rst +++ b/Doc/library/re.rst @@ -70,6 +70,12 @@ how the regular expressions around them are interpreted. Regular expression pattern strings may not contain null bytes, but can specify the null byte using the ``\number`` notation, e.g., ``'\x00'``. +Repetition qualifiers (``*``, ``+``, ``?``, ``{m,n}``, etc) cannot be +directly nested. This avoids ambiguity with the non-greedy modifier suffix +``?``, and with other modifiers in other implementations. To apply a second +repetition to an inner repetition, parentheses may be used. For example, +the expression ``(?:a{6})*`` matches any multiple of six ``'a'`` characters. + The special characters are: |