#15920: fix doctests in Doc/howto/regex.rst. Patch by Chris Jerdonek.

This commit is contained in:
Ezio Melotti 2012-09-17 05:36:56 +03:00
parent eab4df5830
commit 0b6f255e4b
1 changed files with 14 additions and 14 deletions

View File

@ -265,7 +265,7 @@ performing string substitutions. ::
>>> import re
>>> p = re.compile('ab*')
>>> print p
>>> p #doctest: +ELLIPSIS
<_sre.SRE_Pattern object at 0x...>
:func:`re.compile` also accepts an optional *flags* argument, used to enable
@ -378,7 +378,7 @@ Python interpreter, import the :mod:`re` module, and compile a RE::
Python 2.2.2 (#1, Feb 10 2003, 12:57:01)
>>> import re
>>> p = re.compile('[a-z]+')
>>> p
>>> p #doctest: +ELLIPSIS
<_sre.SRE_Pattern object at 0x...>
Now, you can try matching various strings against the RE ``[a-z]+``. An empty
@ -396,7 +396,7 @@ case, :meth:`match` will return a :class:`MatchObject`, so you should store the
result in a variable for later use. ::
>>> m = p.match('tempo')
>>> print m
>>> m #doctest: +ELLIPSIS
<_sre.SRE_Match object at 0x...>
Now you can query the :class:`MatchObject` for information about the matching
@ -435,7 +435,7 @@ case. ::
>>> print p.match('::: message')
None
>>> m = p.search('::: message') ; print m
>>> m = p.search('::: message'); print m #doctest: +ELLIPSIS
<_sre.SRE_Match object at 0x...>
>>> m.group()
'message'
@ -464,8 +464,8 @@ result. The :meth:`finditer` method returns a sequence of :class:`MatchObject`
instances as an :term:`iterator`. [#]_ ::
>>> iterator = p.finditer('12 drummers drumming, 11 ... 10 ...')
>>> iterator
<callable-iterator object at 0x401833ac>
>>> iterator #doctest: +ELLIPSIS
<callable-iterator object at 0x...>
>>> for match in iterator:
... print match.span()
...
@ -486,7 +486,7 @@ the RE string added as the first argument, and still return either ``None`` or a
>>> print re.match(r'From\s+', 'Fromage amk')
None
>>> re.match(r'From\s+', 'From amk Thu May 14 19:12:10 1998')
>>> re.match(r'From\s+', 'From amk Thu May 14 19:12:10 1998') #doctest: +ELLIPSIS
<_sre.SRE_Match object at 0x...>
Under the hood, these functions simply create a pattern object for you
@ -687,7 +687,7 @@ given location, they can obviously be matched an infinite number of times.
For example, if you wish to match the word ``From`` only at the beginning of a
line, the RE to use is ``^From``. ::
>>> print re.search('^From', 'From Here to Eternity')
>>> print re.search('^From', 'From Here to Eternity') #doctest: +ELLIPSIS
<_sre.SRE_Match object at 0x...>
>>> print re.search('^From', 'Reciting From Memory')
None
@ -699,11 +699,11 @@ given location, they can obviously be matched an infinite number of times.
Matches at the end of a line, which is defined as either the end of the string,
or any location followed by a newline character. ::
>>> print re.search('}$', '{block}')
>>> print re.search('}$', '{block}') #doctest: +ELLIPSIS
<_sre.SRE_Match object at 0x...>
>>> print re.search('}$', '{block} ')
None
>>> print re.search('}$', '{block}\n')
>>> print re.search('}$', '{block}\n') #doctest: +ELLIPSIS
<_sre.SRE_Match object at 0x...>
To match a literal ``'$'``, use ``\$`` or enclose it inside a character class,
@ -728,7 +728,7 @@ given location, they can obviously be matched an infinite number of times.
match when it's contained inside another word. ::
>>> p = re.compile(r'\bclass\b')
>>> print p.search('no class at all')
>>> print p.search('no class at all') #doctest: +ELLIPSIS
<_sre.SRE_Match object at 0x...>
>>> print p.search('the declassified algorithm')
None
@ -746,7 +746,7 @@ given location, they can obviously be matched an infinite number of times.
>>> p = re.compile('\bclass\b')
>>> print p.search('no class at all')
None
>>> print p.search('\b' + 'class' + '\b')
>>> print p.search('\b' + 'class' + '\b') #doctest: +ELLIPSIS
<_sre.SRE_Match object at 0x...>
Second, inside a character class, where there's no use for this assertion,
@ -1187,9 +1187,9 @@ compute the desired replacement string and return it.
In the following example, the replacement function translates decimals into
hexadecimal::
>>> def hexrepl( match ):
>>> def hexrepl(match):
... "Return the hex string for a decimal number"
... value = int( match.group() )
... value = int(match.group())
... return hex(value)
...
>>> p = re.compile(r'\d+')