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author | Georg Brandl <georg@python.org> | 2010-07-11 10:41:07 (GMT) |
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committer | Georg Brandl <georg@python.org> | 2010-07-11 10:41:07 (GMT) |
commit | c62efa87f68af07f3a9511984e0055a746514c9d (patch) | |
tree | 0e13361c7f3bf99848dc9e26aff6e9f7fb80d269 /Doc/library/re.rst | |
parent | 725443fef975a6de661b38c358c33c08e22caec5 (diff) | |
download | cpython-c62efa87f68af07f3a9511984e0055a746514c9d.zip cpython-c62efa87f68af07f3a9511984e0055a746514c9d.tar.gz cpython-c62efa87f68af07f3a9511984e0055a746514c9d.tar.bz2 |
Merged revisions 82301 via svnmerge from
svn+ssh://svn.python.org/python/branches/py3k
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r82301 | benjamin.peterson | 2010-06-28 00:32:30 +0200 (Mo, 28 Jun 2010) | 303 lines
Merged revisions 80605-80609,80642-80646,80651-80652,80674,80684-80686,80748,80852,80854,80870,80872-80873,80907,80915-80916,80951-80952,80976-80977,80985,81038-81040,81042,81053,81070,81104-81105,81114,81125,81245,81285,81402,81463,81516,81562-81563,81567,81593,81635,81680-81681,81684,81801,81888,81931-81933,81939-81942,81963,81984,81991,82120,82188,82264-82267 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r80605 | andrew.kuchling | 2010-04-28 19:22:16 -0500 (Wed, 28 Apr 2010) | 1 line
Add various items
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r80606 | andrew.kuchling | 2010-04-28 20:44:30 -0500 (Wed, 28 Apr 2010) | 6 lines
Fix doubled 'the'.
Markup fixes to use :exc:, :option: in a few places.
(Glitch: unittest.main's -c ends up a link to the Python
interpreter's -c option. Should we skip using :option: for that
switch, or disable the auto-linking somehow?)
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r80607 | andrew.kuchling | 2010-04-28 20:45:41 -0500 (Wed, 28 Apr 2010) | 1 line
Add various unittest items
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r80608 | benjamin.peterson | 2010-04-28 22:18:05 -0500 (Wed, 28 Apr 2010) | 1 line
update pypy description
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r80609 | benjamin.peterson | 2010-04-28 22:30:59 -0500 (Wed, 28 Apr 2010) | 1 line
update pypy url
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r80642 | andrew.kuchling | 2010-04-29 19:49:09 -0500 (Thu, 29 Apr 2010) | 1 line
Always add space after RFC; reword paragraph
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r80643 | andrew.kuchling | 2010-04-29 19:52:31 -0500 (Thu, 29 Apr 2010) | 6 lines
Reword paragraph to make its meaning clearer.
Antoine Pitrou: is my version of the paragraph still correct?
R. David Murray: is this more understandable than the previous version?
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r80644 | andrew.kuchling | 2010-04-29 20:02:15 -0500 (Thu, 29 Apr 2010) | 1 line
Fix typos
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r80645 | andrew.kuchling | 2010-04-29 20:32:47 -0500 (Thu, 29 Apr 2010) | 1 line
Markup fix; clarify by adding 'in that order'
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r80646 | andrew.kuchling | 2010-04-29 20:33:40 -0500 (Thu, 29 Apr 2010) | 1 line
Add various items; rearrange unittest section a bit
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r80651 | andrew.kuchling | 2010-04-30 08:46:55 -0500 (Fri, 30 Apr 2010) | 1 line
Minor grammar re-wording
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r80652 | andrew.kuchling | 2010-04-30 08:47:34 -0500 (Fri, 30 Apr 2010) | 1 line
Add item
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r80674 | andrew.kuchling | 2010-04-30 20:19:16 -0500 (Fri, 30 Apr 2010) | 1 line
Add various items
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r80684 | andrew.kuchling | 2010-05-01 07:05:52 -0500 (Sat, 01 May 2010) | 1 line
Minor grammar fix
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r80685 | andrew.kuchling | 2010-05-01 07:06:51 -0500 (Sat, 01 May 2010) | 1 line
Describe memoryview
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r80686 | antoine.pitrou | 2010-05-01 07:16:39 -0500 (Sat, 01 May 2010) | 4 lines
Fix attribution. Travis didn't do much and he did a bad work.
(yes, this is a sensitive subject, sorry)
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r80748 | andrew.kuchling | 2010-05-03 20:24:22 -0500 (Mon, 03 May 2010) | 1 line
Add some more items; the urlparse change is added twice
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r80852 | andrew.kuchling | 2010-05-05 20:09:47 -0500 (Wed, 05 May 2010) | 1 line
Reword paragraph; fix filename, which should be pyconfig.h
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r80854 | andrew.kuchling | 2010-05-05 20:10:56 -0500 (Wed, 05 May 2010) | 1 line
Add various items
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r80870 | andrew.kuchling | 2010-05-06 09:14:09 -0500 (Thu, 06 May 2010) | 1 line
Describe ElementTree 1.3; rearrange new-module sections; describe dict views as sets; small edits and items
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r80872 | andrew.kuchling | 2010-05-06 12:21:59 -0500 (Thu, 06 May 2010) | 1 line
Add 2 items; record ideas for two initial sections; clarify wording
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r80873 | andrew.kuchling | 2010-05-06 12:27:57 -0500 (Thu, 06 May 2010) | 1 line
Change section title; point to unittest2
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r80907 | andrew.kuchling | 2010-05-06 20:45:14 -0500 (Thu, 06 May 2010) | 1 line
Add a new section on the development plan; add an item
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r80915 | antoine.pitrou | 2010-05-07 05:15:51 -0500 (Fri, 07 May 2010) | 3 lines
Fix some markup and a class name. Also, wrap a long line.
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r80916 | andrew.kuchling | 2010-05-07 06:30:47 -0500 (Fri, 07 May 2010) | 1 line
Re-word text
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r80951 | andrew.kuchling | 2010-05-07 20:15:26 -0500 (Fri, 07 May 2010) | 1 line
Add two items
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r80952 | andrew.kuchling | 2010-05-07 20:35:55 -0500 (Fri, 07 May 2010) | 1 line
Get accents correct
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r80976 | andrew.kuchling | 2010-05-08 08:28:03 -0500 (Sat, 08 May 2010) | 1 line
Add logging.dictConfig example; give up on writing a Ttk example
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r80977 | andrew.kuchling | 2010-05-08 08:29:46 -0500 (Sat, 08 May 2010) | 1 line
Markup fixes
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r80985 | andrew.kuchling | 2010-05-08 10:39:46 -0500 (Sat, 08 May 2010) | 7 lines
Write summary of the 2.7 release; rewrite the future section some more;
mention PYTHONWARNINGS env. var; tweak some examples for readability.
And with this commit, the "What's New" is done... except for a
complete read-through to polish the text, and fixing any reported errors,
but those tasks can easily wait until after beta2.
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r81038 | benjamin.peterson | 2010-05-09 16:09:40 -0500 (Sun, 09 May 2010) | 1 line
finish clause
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r81039 | andrew.kuchling | 2010-05-10 09:18:27 -0500 (Mon, 10 May 2010) | 1 line
Markup fix; re-word a sentence
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r81040 | andrew.kuchling | 2010-05-10 09:20:12 -0500 (Mon, 10 May 2010) | 1 line
Use title case
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r81042 | andrew.kuchling | 2010-05-10 10:03:35 -0500 (Mon, 10 May 2010) | 1 line
Link to unittest2 article
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r81053 | florent.xicluna | 2010-05-10 14:59:22 -0500 (Mon, 10 May 2010) | 2 lines
Add a link on maketrans().
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r81070 | andrew.kuchling | 2010-05-10 18:13:41 -0500 (Mon, 10 May 2010) | 1 line
Fix typo
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r81104 | andrew.kuchling | 2010-05-11 19:38:44 -0500 (Tue, 11 May 2010) | 1 line
Revision pass: lots of edits, typo fixes, rearrangements
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r81105 | andrew.kuchling | 2010-05-11 19:40:47 -0500 (Tue, 11 May 2010) | 1 line
Let's call this done
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r81114 | andrew.kuchling | 2010-05-12 08:56:07 -0500 (Wed, 12 May 2010) | 1 line
Grammar fix
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r81125 | andrew.kuchling | 2010-05-12 13:56:48 -0500 (Wed, 12 May 2010) | 1 line
#8696: add documentation for logging.config.dictConfig (PEP 391)
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r81245 | andrew.kuchling | 2010-05-16 18:31:16 -0500 (Sun, 16 May 2010) | 1 line
Add cross-reference to later section
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r81285 | vinay.sajip | 2010-05-18 03:16:27 -0500 (Tue, 18 May 2010) | 1 line
Fixed minor typo in ReST markup.
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r81402 | vinay.sajip | 2010-05-21 12:41:34 -0500 (Fri, 21 May 2010) | 1 line
Updated logging documentation with more dictConfig information.
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r81463 | georg.brandl | 2010-05-22 03:17:23 -0500 (Sat, 22 May 2010) | 1 line
#8785: less confusing description of regex.find*.
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r81516 | andrew.kuchling | 2010-05-25 08:34:08 -0500 (Tue, 25 May 2010) | 1 line
Add three items
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r81562 | andrew.kuchling | 2010-05-27 08:22:53 -0500 (Thu, 27 May 2010) | 1 line
Rewrite wxWidgets section
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r81563 | andrew.kuchling | 2010-05-27 08:30:09 -0500 (Thu, 27 May 2010) | 1 line
Remove top-level 'General Questions' section, pushing up the questions it contains
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r81567 | andrew.kuchling | 2010-05-27 16:29:59 -0500 (Thu, 27 May 2010) | 1 line
Add item
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r81593 | georg.brandl | 2010-05-29 03:46:18 -0500 (Sat, 29 May 2010) | 1 line
#8616: add new turtle demo "nim".
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r81635 | georg.brandl | 2010-06-01 02:25:23 -0500 (Tue, 01 Jun 2010) | 1 line
Put docs for RegexObject.search() before RegexObject.match() to mirror re.search() and re.match() order.
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r81680 | vinay.sajip | 2010-06-03 17:34:42 -0500 (Thu, 03 Jun 2010) | 1 line
Issue #8890: Documentation changed to avoid reference to temporary files.
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r81681 | sean.reifschneider | 2010-06-03 20:51:26 -0500 (Thu, 03 Jun 2010) | 2 lines
Issue8810: Clearing up docstring for tzinfo.utcoffset.
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r81684 | vinay.sajip | 2010-06-04 08:41:02 -0500 (Fri, 04 Jun 2010) | 1 line
Issue #8890: Documentation changed to avoid reference to temporary files - other cases covered.
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r81801 | andrew.kuchling | 2010-06-07 08:38:40 -0500 (Mon, 07 Jun 2010) | 1 line
#8875: Remove duplicated paragraph
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r81888 | andrew.kuchling | 2010-06-10 20:54:58 -0500 (Thu, 10 Jun 2010) | 1 line
Add a few more items
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r81931 | georg.brandl | 2010-06-12 01:26:54 -0500 (Sat, 12 Jun 2010) | 1 line
Fix punctuation.
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r81932 | georg.brandl | 2010-06-12 01:28:58 -0500 (Sat, 12 Jun 2010) | 1 line
Document that an existing directory raises in mkdir().
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r81933 | georg.brandl | 2010-06-12 01:45:33 -0500 (Sat, 12 Jun 2010) | 1 line
Update version in README.
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r81939 | georg.brandl | 2010-06-12 04:45:01 -0500 (Sat, 12 Jun 2010) | 1 line
Use newer toctree syntax.
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r81940 | georg.brandl | 2010-06-12 04:45:28 -0500 (Sat, 12 Jun 2010) | 1 line
Add document on how to build.
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r81941 | georg.brandl | 2010-06-12 04:45:58 -0500 (Sat, 12 Jun 2010) | 1 line
Fix gratuitous indentation.
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r81942 | georg.brandl | 2010-06-12 04:46:03 -0500 (Sat, 12 Jun 2010) | 1 line
Update README.
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r81963 | andrew.kuchling | 2010-06-12 15:00:55 -0500 (Sat, 12 Jun 2010) | 1 line
Grammar fix
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r81984 | georg.brandl | 2010-06-14 10:58:39 -0500 (Mon, 14 Jun 2010) | 1 line
#8993: fix reference.
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r81991 | andrew.kuchling | 2010-06-14 19:38:58 -0500 (Mon, 14 Jun 2010) | 1 line
Add another bunch of items
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r82120 | andrew.kuchling | 2010-06-20 16:45:45 -0500 (Sun, 20 Jun 2010) | 1 line
Note that Python 3.x isn't covered; add forward ref. for UTF-8; note error in 2.5 and up
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r82188 | benjamin.peterson | 2010-06-23 19:02:46 -0500 (Wed, 23 Jun 2010) | 1 line
remove reverted changed
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r82264 | georg.brandl | 2010-06-27 05:47:47 -0500 (Sun, 27 Jun 2010) | 1 line
Confusing punctuation.
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r82265 | georg.brandl | 2010-06-27 05:49:23 -0500 (Sun, 27 Jun 2010) | 1 line
Use designated syntax for optional grammar element.
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r82266 | georg.brandl | 2010-06-27 05:51:44 -0500 (Sun, 27 Jun 2010) | 1 line
Fix URL.
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r82267 | georg.brandl | 2010-06-27 05:55:38 -0500 (Sun, 27 Jun 2010) | 1 line
Two typos.
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Diffstat (limited to 'Doc/library/re.rst')
-rw-r--r-- | Doc/library/re.rst | 58 |
1 files changed, 33 insertions, 25 deletions
diff --git a/Doc/library/re.rst b/Doc/library/re.rst index 5509b16..3f9d923 100644 --- a/Doc/library/re.rst +++ b/Doc/library/re.rst @@ -714,18 +714,12 @@ Regular Expression Objects The :class:`RegexObject` class supports the following methods and attributes: + .. method:: RegexObject.search(string[, pos[, endpos]]) - .. method:: RegexObject.match(string[, pos[, endpos]]) - - If zero or more characters at the beginning of *string* match this regular - expression, return a corresponding :class:`MatchObject` instance. Return - ``None`` if the string does not match the pattern; note that this is different - from a zero-length match. - - .. note:: - - If you want to locate a match anywhere in *string*, use - :meth:`~RegexObject.search` instead. + Scan through *string* looking for a location where this regular expression + produces a match, and return a corresponding :class:`MatchObject` instance. + Return ``None`` if no position in the string matches the pattern; note that this + is different from finding a zero-length match at some point in the string. The optional second parameter *pos* gives an index in the string where the search is to start; it defaults to ``0``. This is not completely equivalent to @@ -737,24 +731,34 @@ Regular Expression Objects will be as if the string is *endpos* characters long, so only the characters from *pos* to ``endpos - 1`` will be searched for a match. If *endpos* is less than *pos*, no match will be found, otherwise, if *rx* is a compiled regular - expression object, ``rx.match(string, 0, 50)`` is equivalent to - ``rx.match(string[:50], 0)``. + expression object, ``rx.search(string, 0, 50)`` is equivalent to + ``rx.search(string[:50], 0)``. - >>> pattern = re.compile("o") - >>> pattern.match("dog") # No match as "o" is not at the start of "dog." - >>> pattern.match("dog", 1) # Match as "o" is the 2nd character of "dog". - <_sre.SRE_Match object at ...> + >>> pattern = re.compile("d") + >>> pattern.search("dog") # Match at index 0 + <_sre.SRE_Match object at ...> + >>> pattern.search("dog", 1) # No match; search doesn't include the "d" - .. method:: RegexObject.search(string[, pos[, endpos]]) + .. method:: RegexObject.match(string[, pos[, endpos]]) - Scan through *string* looking for a location where this regular expression - produces a match, and return a corresponding :class:`MatchObject` instance. - Return ``None`` if no position in the string matches the pattern; note that this - is different from finding a zero-length match at some point in the string. + If zero or more characters at the *beginning* of *string* match this regular + expression, return a corresponding :class:`MatchObject` instance. Return + ``None`` if the string does not match the pattern; note that this is different + from a zero-length match. The optional *pos* and *endpos* parameters have the same meaning as for the - :meth:`~RegexObject.match` method. + :meth:`~RegexObject.search` method. + + .. note:: + + If you want to locate a match anywhere in *string*, use + :meth:`~RegexObject.search` instead. + + >>> pattern = re.compile("o") + >>> pattern.match("dog") # No match as "o" is not at the start of "dog". + >>> pattern.match("dog", 1) # Match as "o" is the 2nd character of "dog". + <_sre.SRE_Match object at ...> .. method:: RegexObject.split(string[, maxsplit=0]) @@ -764,12 +768,16 @@ Regular Expression Objects .. method:: RegexObject.findall(string[, pos[, endpos]]) - Identical to the :func:`findall` function, using the compiled pattern. + Similar to the :func:`findall` function, using the compiled pattern, but + also accepts optional *pos* and *endpos* parameters that limit the search + region like for :meth:`match`. .. method:: RegexObject.finditer(string[, pos[, endpos]]) - Identical to the :func:`finditer` function, using the compiled pattern. + Similar to the :func:`finditer` function, using the compiled pattern, but + also accepts optional *pos* and *endpos* parameters that limit the search + region like for :meth:`match`. .. method:: RegexObject.sub(repl, string[, count=0]) |