Ben Last b...@benlast.com writes:
Good points. I wanted to find a syntax that allows comments as well as
being fluent:
RE()
.any_number_of.digits # Recall that any_number_of includes zero
.followed_by.an_optional.dot.then.at_least_one.digit # The dot is
specifically optional
# but we must
In article mailman.4772.1373978931.3114.python-l...@python.org,
Anders J. Munch 2...@jmunch.dk wrote:
The problem with Perl-style regexp notation isn't so much that it's terse -
it's
that the syntax is irregular (sic) and doesn't follow modern principles for
lexical structure in computer
Ben Last wrote:
north_american_number_re = (RE().start
.literal('(').followed_by.__exactly(3).digits.then.__literal(')')
.then.one.literal(-).then.__exactly(3).digits
.then.one.dash.followed_by.__exactly(4).digits.then.end
Hi all
I'd be interested in comments on a fluent regular expression generator I've
been playing with (inspired by the frustrations of a friend of mine who's
learning).
The general use case is to be able to construct RE strings such as:
r'^\(\d{3,3}\)-{1,1}\d{3,3}\-{1,1}\d{4,4}$' (intended
Dear All,
Here is my script :
#!/usr/bin/python
import re
# A string.
logs = date=2012-11-28 time=21:14:59
# Match with named groups.
m =
re.match((?Pdatetime(date=(?Pdate[^\s]+))\s+(time=(?Ptime[^\s]+))),
logs)
# print
print m.groupdict()
Output:
{'date': '2012-11-28', 'datetime':
On 15 July 2013 23:21, Ben Last benl...@gmail.com wrote:
Hi all
I'd be interested in comments on a fluent regular expression generator I've
been playing with (inspired by the frustrations of a friend of mine who's
learning).
The general use case is to be able to construct RE strings
On 16 July 2013 07:55, Mohan L l.mohan...@gmail.com wrote:
Dear All,
Here is my script :
#!/usr/bin/python
import re
# A string.
logs = date=2012-11-28 time=21:14:59
# Match with named groups.
m =
re.match((?Pdatetime(date=(?Pdate[^\s]+))\s+(time=(?Ptime[^\s]+))),
logs)
# print
On Tue, Jul 16, 2013 at 2:12 PM, Joshua Landau jos...@landau.ws wrote:
On 16 July 2013 07:55, Mohan L l.mohan...@gmail.com wrote:
Dear All,
Here is my script :
#!/usr/bin/python
import re
# A string.
logs = date=2012-11-28 time=21:14:59
# Match with named groups.
m =
Ben Last wrote:
north_american_number_re = (RE().start
.literal('(').followed_by.exactly(3).digits.then.literal(')')
.then.one.literal(-).then.exactly(3).digits
.then.one.dash.followed_by.exactly(4).digits.then.end
On 16/07/2013 11:18, Mohan L wrote:
On Tue, Jul 16, 2013 at 2:12 PM, Joshua Landau jos...@landau.ws
mailto:jos...@landau.ws wrote:
On 16 July 2013 07:55, Mohan L l.mohan...@gmail.com
mailto:l.mohan...@gmail.com wrote:
Dear All,
Here is my script :
On 16 July 2013 16:38, MRAB pyt...@mrabarnett.plus.com wrote:
On 16/07/2013 11:18, Mohan L wrote:
I using another third party python script. It takes the regex from
configuration file. I can't write any code. I have to do all this in
single regex.
A capture group captures a single
Huh, did not realize that endswith takes a list. I'll remember that in
the future.
This need is actually for http://schemaspy.sourceforge.net/, which allows
one to include only tables/views that match a pattern.
Either there is a bug in Schemaspy's code or Java's implementation of
regular
why.
On Mon, Jul 1, 2013 at 5:07 PM, Jason Friedman jsf80...@gmail.com
wrote:
I have table names in this form:
MY_TABLE
MY_TABLE_CTL
MY_TABLE_DEL
MY_TABLE_RUN
YOUR_TABLE
YOUR_TABLE_CTL
YOUR_TABLE_DEL
YOUR_TABLE_RUN
I am trying to create a regular expression
I have table names in this form:
MY_TABLE
MY_TABLE_CTL
MY_TABLE_DEL
MY_TABLE_RUN
YOUR_TABLE
YOUR_TABLE_CTL
YOUR_TABLE_DEL
YOUR_TABLE_RUN
I am trying to create a regular expression that will return true for only
these tables:
MY_TABLE
YOUR_TABLE
I tried these:
pattern = re.compile(r_(?!(CTL|DEL
On 2013-07-01, Jason Friedman jsf80...@gmail.com wrote:
I have table names in this form:
MY_TABLE
MY_TABLE_CTL
MY_TABLE_DEL
MY_TABLE_RUN
YOUR_TABLE
YOUR_TABLE_CTL
YOUR_TABLE_DEL
YOUR_TABLE_RUN
I am trying to create a regular expression that will return true for only
these tables
names in this form:
MY_TABLE
MY_TABLE_CTL
MY_TABLE_DEL
MY_TABLE_RUN
YOUR_TABLE
YOUR_TABLE_CTL
YOUR_TABLE_DEL
YOUR_TABLE_RUN
I am trying to create a regular expression that will return true for only
these tables:
MY_TABLE
YOUR_TABLE
I tried these:
pattern = re.compile(r_(?!(CTL|DEL|RUN
1, 2013 at 5:07 PM, Jason Friedman jsf80...@gmail.com wrote:
I have table names in this form:
MY_TABLE
MY_TABLE_CTL
MY_TABLE_DEL
MY_TABLE_RUN
YOUR_TABLE
YOUR_TABLE_CTL
YOUR_TABLE_DEL
YOUR_TABLE_RUN
I am trying to create a regular expression that will return true for only
these tables
word and last word are varying.
I am looking to extract out:
(i) the
(ii) the
(iii) the
(iv) this
(v) this
(vi) the new
.
The problem may be handled by converting the string to list and then
index of list.
But I am thinking if I can use regular expression in Python.
If any
and then
index of list.
No need for a regular expression.
py sentence = By the new group
py words = sentence.split()
py words[1:-1]
['the', 'new']
Does that help?
--
Steven
--
http://mail.python.org/mailman/listinfo/python-list
.
But I am thinking if I can use regular expression in Python.
If any one of the esteemed members can help.
Thanking you in Advance,
Regards,
Subhabrata
I tend to reach for string methods rather than an RE so will something
like this suit you?
c:\Users\Mark\MyPythontype a.py
for s
by converting the string to list and then
index of list.
No need for a regular expression.
py sentence = By the new group
py words = sentence.split()
py words[1:-1]
['the', 'new']
Does that help?
I thought OP wanted:
words[words[0],words[-1]]
But that might be just my caffeine deprived
.
The problem may be handled by converting the string to list and then
index of list.
No need for a regular expression.
py sentence = By the new group
py words = sentence.split()
py words[1:-1]
['the', 'new']
Does that help?
I thought OP wanted:
words[words[0],words[-1]]
But that might be just
to extract out:
(i) the (ii) the (iii) the (iv) this (v) this (vi) the new
.
The problem may be handled by converting the string to list and then
index of list.
No need for a regular expression.
py sentence = By the new group
py words = sentence.split()
py words[1:-1
On Sat, 15 Jun 2013 11:55:34 +0100, Mark Lawrence wrote:
sentence = By the new group
words = sentence.split()
words[words[0],words[-1]]
Traceback (most recent call last):
File stdin, line 1, in module
TypeError: list indices must be integers, not tuple
So why would the OP want
On Sat, 15 Jun 2013 13:41:21 +, Denis McMahon wrote:
first_and_last = [sentence.split()[i] for i in (0, -1)] middle =
sentence.split()[1:-2]
Bugger! That last is actually:
sentence.split()[1:-1]
It just looks like a two.
--
Denis McMahon, denismfmcma...@gmail.com
--
On 15/06/2013 14:45, Denis McMahon wrote:
On Sat, 15 Jun 2013 13:41:21 +, Denis McMahon wrote:
first_and_last = [sentence.split()[i] for i in (0, -1)] middle =
sentence.split()[1:-2]
Bugger! That last is actually:
sentence.split()[1:-1]
It just looks like a two.
I've a very strong
are the mighty fallen.
--
Steve is going for the pink ball - and for those of you who are
watching in black and white, the pink is next to the green. Snooker
commentator 'Whispering' Ted Lowe.
Mark Lawrence
Dear Group,
I know this solution but I want to have Regular Expression
subhabangal...@gmail.com wrote:
I know this solution but I want to have Regular Expression option.
Just learning.
http://mattgemmell.com/2008/12/08/what-have-you-tried/
Just spell out what you want:
A word at the beginning, followed by any text, followed by a word at
the end.
Now look up
On 15/06/2013 15:31, subhabangal...@gmail.com wrote:
Dear Group,
I know this solution but I want to have Regular Expression option. Just
learning.
Regards,
Subhabrata.
Start here http://docs.python.org/2/library/re.html
Would you also please read and action this,
http://wiki.python.org
On Saturday, June 15, 2013 8:34:59 PM UTC+5:30, Mark Lawrence wrote:
On 15/06/2013 15:31, subhabangal...@gmail.com wrote:
Dear Group,
I know this solution but I want to have Regular Expression option. Just
learning.
Regards,
Subhabrata.
Start here http
On 15/06/2013 17:28, subhabangal...@gmail.com wrote:
You've been pointed at several links, so what have you tried, and what,
if anything, went wrong? Or do you simply not understand, in which case
please say so and we'll help. I'm not trying to be awkward, it's simply
known that you learn
and then
index of list.
But I am thinking if I can use regular expression in Python.
Since nobody here seems to want to answer your question
(or seems even able to read it), I'll try. Is something
like this what you want?
import re
texts = [
'(i)In the ocean',
'(ii)On the ocean',
'(iii
.
The problem may be handled by converting the string to list and then
index of list.
But I am thinking if I can use regular expression in Python.
If any one of the esteemed members can help.
Thanking you in Advance,
Regards,
Subhabrata
Dear Group,
Thank you
On Saturday, June 15, 2013 11:54:28 AM UTC-6, subhaba...@gmail.com wrote:
Thank you for the answer. But I want to learn bit of interesting
regular expression forms where may I?
No Mark, thank you for your links but they were not sufficient.
Links to the Python reference documentation
On Sunday, June 16, 2013 12:17:18 AM UTC+5:30, ru...@yahoo.com wrote:
On Saturday, June 15, 2013 11:54:28 AM UTC-6, subhaba...@gmail.com wrote:
Thank you for the answer. But I want to learn bit of interesting
regular expression forms where may I?
No Mark, thank you for your links
On 6/15/2013 12:28 PM, subhabangal...@gmail.com wrote:
Suppose I want a regular expression that matches both Sent from my iPhone and
Sent from my iPod. How do I write such an expression--is the problem,
Sent from my iPod
Sent from my iPhone
which can be written as,
re.compile(Sent from my
Oops...
On Saturday, June 15, 2013 12:47:18 PM UTC-6, ru...@yahoo.com wrote:
Links to the Python reference documentation are useful for people
just beginning with some aspect of Python; they are for people who
already know Python and want to look up details.
That was supposed to be:
Links
On 15 June 2013 11:18, Mark Lawrence breamore...@yahoo.co.uk wrote:
I tend to reach for string methods rather than an RE so will something like
this suit you?
c:\Users\Mark\MyPythontype a.py
for s in (In the ocean,
On the ocean,
By the ocean,
In this group,
On 15/06/2013 22:03, Joshua Landau wrote:
On 15 June 2013 11:18, Mark Lawrence breamore...@yahoo.co.uk wrote:
I tend to reach for string methods rather than an RE so will something like
this suit you?
c:\Users\Mark\MyPythontype a.py
for s in (In the ocean,
On the ocean,
On Jun 13, 2013, at 7:42 AM, Kevin LaTona li...@studiosola.com wrote:
With the following code tweaks in Python 2.7.2, I find it works with VERBOSE
for me, but not without.
Sorry had a small bleep while writing that last line this AM.
Of course the regex pattern would work in VERBOSE mode as
On Thursday, June 13, 2013 3:17:28 AM UTC-4, Andreas Perstinger wrote:
On 13.06.2013 02:59, rice.cr...@gmail.com wrote:
I am parsing the output of an open-iscsi command that contains
severalblocks of data for each data set. Each block has the format:
[SNIP]
for your example (same
On Thursday, June 13, 2013 5:07:33 PM UTC-4, Kevin LaTona wrote:
On Jun 13, 2013, at 7:42 AM, Kevin LaTona li...@studiosola.com wrote:
With the following code tweaks in Python 2.7.2, I find it works with
VERBOSE for me, but not without.
Sorry had a small bleep while writing that
On 13.06.2013 02:59, rice.cr...@gmail.com wrote:
I am parsing the output of an open-iscsi command that contains
severalblocks of data for each data set. Each block has the format:
[SNIP]
I tried using \s* to swallow the whitespace between the to iSCSI
lines. No joy... However [\s\S]*? allows
On Jun 12, 2013, at 5:59 PM, rice.cr...@gmail.com wrote:
I am parsing the output of an open-iscsi command that contains several blocks
of data for each data set. Each block has the format:
Lastly, a version of this regex as a non-VERBOSE expression works as
expected.. Something about
I am parsing the output of an open-iscsi command that contains several blocks
of data for each data set. Each block has the format:
Target: iqn.1992-04.com.emc:vplex-8460319f-0007
Current Portal: 221.128.52.224:3260,7
Persistent Portal: 221.128.52.224:3260,7
Matthias Klose added the comment:
what's the status on this one? Can the proposed patch be applied until the
decision whether to backout the original change, or not?
--
nosy: +doko, georg.brandl, larry
priority: normal - release blocker
___
Python
Serhiy Storchaka added the comment:
I'm working on tests. No need to rush.
--
stage: patch review - test needed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue17998
___
Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com:
--
nosy: +Arfrever
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue17998
___
Antoine Pitrou added the comment:
Perhaps it would be safer to revert the original commit in bugfix branches, and
just commit the better patch in default?
--
nosy: +pitrou
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue17998
for more information.
import re
re.compile('(.*)\.[0-9]*\.[0-9]*$', re.I|re.S).findall('3.0.0')
Traceback (most recent call last):
File stdin, line 1, in module
RuntimeError: internal error in regular expression engine
This is a 2.7.5 regression, 2.7.4 worked fine.
--
components
Changes by Ezio Melotti ezio.melo...@gmail.com:
--
components: +Regular Expressions
nosy: +benjamin.peterson, ezio.melotti, mrabarnett
type: - behavior
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue17998
Benjamin Peterson added the comment:
27162465316f
--
assignee: - serhiy.storchaka
nosy: +serhiy.storchaka
___
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http://bugs.python.org/issue17998
___
Changes by Christian Heimes li...@cheimes.de:
--
nosy: +christian.heimes
___
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http://bugs.python.org/issue17998
___
___
Benjamin Peterson added the comment:
Also, note this particular case only reproduces on 32 bit.
--
___
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http://bugs.python.org/issue17998
___
(most recent call last):
File string, line 1, in module
RuntimeError: internal error in regular expression engine
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue17998
Matthew Barnett added the comment:
Here are some simpler examples of the bug:
re.compile('.*yz', re.S).findall('xyz')
re.compile('.?yz', re.S).findall('xyz')
re.compile('.+yz', re.S).findall('xyz')
Unfortunately I find it difficult to see what's happening when single-stepping
through the code
Serhiy Storchaka added the comment:
Here is a patch which should fix this bug. I still have to look for similar
bugs and write tests.
--
keywords: +patch
stage: - patch review
versions: +Python 3.3, Python 3.4
Added file: http://bugs.python.org/file30299/re_unsigned_ptrdiff.patch
Serhiy Storchaka added the comment:
Thank you Matthew for simpler examples. They helped and I'll use them in the
tests.
--
___
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___
On 11 mar, 03:06, Terry Reedy tjre...@udel.edu wrote:
...
By teaching 'speed before correctness, this site promotes bad
programming habits and thinking (and the use of low-level but faster
languages).
...
This is exactly what your flexible string representation
does!
And away from
On 11/03/2013 09:28, jmfauth wrote:
On 11 mar, 03:06, Terry Reedy tjre...@udel.edu wrote:
...
By teaching 'speed before correctness, this site promotes bad
programming habits and thinking (and the use of low-level but faster
languages).
...
This is exactly what your flexible string
On Mar 11, 2:28 pm, jmfauth wxjmfa...@gmail.com wrote:
On 11 mar, 03:06, Terry Reedy tjre...@udel.edu wrote:
...
By teaching 'speed before correctness, this site promotes bad
programming habits and thinking (and the use of low-level but faster
languages).
...
This is exactly what
A friendly reminder that this forum is for general discussion and
questions about Python.
Pretty much anything Python-related is fair game for discussion, and
the group is even fairly tolerant of off-topic digressions; there have
been entertaining discussions of topics such as floating point,
On 11.03.13 04:06, Terry Reedy wrote:
On 3/10/2013 1:42 PM, mukesh tiwari wrote:
Hello all
I am trying to solve this problem[1]
[1] http://www.spoj.com/problems/MAIN12C/
As I remember, and as it still appears, this site severely penalizes
Python solvers by using the same time limit for all
On 3/11/2013 2:30 PM, Serhiy Storchaka wrote:
On 11.03.13 04:06, Terry Reedy wrote:
On 3/10/2013 1:42 PM, mukesh tiwari wrote:
Hello all
I am trying to solve this problem[1]
[1] http://www.spoj.com/problems/MAIN12C/
As I remember, and as it still appears, this site severely penalizes
Python
Hello all
I am trying to solve this problem[1] using regular expression. I wrote this
code but I am getting time limit exceed. Could some one please tell me how to
make this code run faster.
import re
if __name__ == __main__:
n = int ( raw_input() )
c = 1
while c = n
On Mon, Mar 11, 2013 at 4:42 AM, mukesh tiwari
mukeshtiwari.ii...@gmail.com wrote:
I am trying to solve this problem[1] using regular expression. I wrote this
code but I am getting time limit exceed. Could some one please tell me how to
make this code run faster.
What is the time limit? I
On Mon, Mar 11, 2013 at 4:59 AM, Chris Angelico ros...@gmail.com wrote:
On Mon, Mar 11, 2013 at 4:42 AM, mukesh tiwari
mukeshtiwari.ii...@gmail.com wrote:
I am trying to solve this problem[1] using regular expression. I wrote this
code but I am getting time limit exceed. Could some one please
Hi Chris
On the problem page, it is 3 second.
What is the time limit? I just tried it (Python 2.6 under Windows) and
it finished in a humanly-immeasurable amount of time. Are you sure
that STDIN (eg raw_input()) is where your test data is coming from?
Yes, on SPOJ we read data from
Hi Chris
Thank you! Now I am getting wrong answer so at least program is faster then
previous one and I am looking for wrong answer reason. Thanks again!
import re
if __name__ == __main__:
n = int ( raw_input() )
c = 1
while c = n :
email = filter ( lambda x : x != None , [
On Mon, Mar 11, 2013 at 5:48 AM, mukesh tiwari
mukeshtiwari.ii...@gmail.com wrote:
Hi Chris
Thank you! Now I am getting wrong answer so at least program is faster then
previous one and I am looking for wrong answer reason. Thanks again!
Excellent! Have fun.
Incidentally, regular expressions
On 3/10/2013 1:42 PM, mukesh tiwari wrote:
Hello all
I am trying to solve this problem[1]
[1] http://www.spoj.com/problems/MAIN12C/
As I remember, and as it still appears, this site severely penalizes
Python solvers by using the same time limit for all languages. Thus, a
'slow' python
my tv.txt is :
http://202.177.192.119/radio5 香港电台第五台(可于Totem/VLC/MPlayer播放)
http://202.177.192.119/radio35 香港电台第五台(DAB版，可于Totem/VLC/MPlayer播放)
http://202.177.192.119/radiopth 香港电台普通话台(可于Totem/VLC/MPlayer播放)
http://202.177.192.119/radio31 香港电台普通话台(DAB版，可于Totem/VLC/MPlayer播放)
On 2013-02-14 14:13, python wrote:
my tv.txt is :
http://202.177.192.119/radio5 香港电台第五台(可于Totem/VLC/MPlayer播放)
http://202.177.192.119/radio35 香港电台第五台(DAB版，可于Totem/VLC/MPlayer播放)
http://202.177.192.119/radiopth 香港电台普通话台(可于Totem/VLC/MPlayer播放)
http://202.177.192.119/radio31
the regex--- pat = r'([a-z].+?\s)(.+)(?:(\(.+\)))?' ,do not work at all.
rfile.close()
import re
rfile=open(tv.txt,r)
pat1 = r'([a-z].+?\s)(.+)((\(.+\)))?'
for line in rfile.readlines():
... Match=re.match(pat1,line)
... print 1group is ,Match.group(1),2group is
On 2013-02-15 00:32, python wrote:
the regex--- pat = r'([a-z].+?\s)(.+?)((\(.+\)))?$' ,do not work at all.
[snip]
Sorry, that should be:
pat1 = r'([a-z].+?\s)(.+?)((\(.+\)))?$'
Group 2 should've been lazy (.+?), and because of that it should've
forced matching the end of the line with $.
Ezio Melotti added the comment:
#13592 is indeed the issue I was thinking about, but apparently that's about
_sre.SRE_Pattern, so it's not the same thing.
Just showing group(0) should be helpful.
Often the interesting group is group(1), so showing only group(0) seems a bit
arbitrary.
And
()
12
mo.group(0)
'3/14/2013'
However, this gets old when experimenting with alternative regular expressions.
A better solution is to improve the repr:
re.search(r'\d+/\d+/\d+', s)
SRE Match object: start=3, stop=12, group(0)='3/14/2013'
This would make the regular expression
Ezio Melotti added the comment:
Showing start and stop would be OK, but there might be many groups and they
might contain lot of text, so they can't simply be included in the repr as they
are.
FWIW there was another issue about changing _sre.SRE_Match to something better,
but I can't find it
Chris Jerdonek added the comment:
Is this a duplicate of issue 13592?
--
nosy: +chris.jerdonek
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue17087
___
Raymond Hettinger added the comment:
Just showing group(0) should be helpful. And perhaps the number of groups.
If a string is really long, we can truncate it like reprlib does.
The main goal is to make it easier to work with match objects at the
interactive prompt. They are currently too
在 2012年9月26日星期三UTC+8下午3时38分50秒，iMath写道：
I only know the dollar sign ($) will match a pattern from the
end of a string,but which method does it work with ,re.match() or re.search()
？
I thought re.match('h.$', 'hbxihi') will match ‘hi’ ,but it does not .so why ?
--
On Mon, 07 Jan 2013 01:45:58 -0800, iMath wrote:
在 2012年9月26日星期三UTC+8下午3时38分50秒，iMath写道：
I only know the dollar sign ($) will match a pattern from the
end of a string,but which method does it work with ,re.match() or
re.search() ？
I thought re.match('h.$', 'hbxihi') will match ‘hi’
one leading letter or underscore [a-z_] plus at least two
letters, underscores or digits [a-z0-9_]{2,30}
Ah, [a-z0-9_]{2,30} means there should be at least two characters and
maximum 30 characters here ?
Yes. See
http://docs.python.org/2/library/re.html#regular-expression-syntax
Thanks
] plus at least two
letters, underscores or digits [a-z0-9_]{2,30}
Ah, [a-z0-9_]{2,30} means there should be at least two characters and
maximum 30 characters here ?
Yes. See
http://docs.python.org/2/library/re.html#regular-expression-syntax
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Andrew Svetlov added the comment:
Fixed in #16760
--
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Serhiy Storchaka added the comment:
`MatchObject` term is not defined anywhere in the documentation. It will be
better to use `match object` instead.
--
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___
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Anton Kasyanov added the comment:
Created a patch with docstrings for match objects. Also added empty lines in
pattern object docstrings according to
http://www.python.org/dev/peps/pep-0007/#id7
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keywords: +patch
nosy: +a.kasyanov, asvetlov
versions: -Python 2.7
Added file:
Roundup Robot added the comment:
New changeset e4f1b3565509 by Andrew Svetlov in branch '3.2':
Issue #16443: Add docstrings to regular expression match objects.
http://hg.python.org/cpython/rev/e4f1b3565509
New changeset 64e050c2d010 by Andrew Svetlov in branch '3.3':
Issue #16443: Add
Roundup Robot added the comment:
New changeset c390dc999fcc by Andrew Svetlov in branch '2.7':
Issue #16443: Add docstrings to regular expression match objects.
http://hg.python.org/cpython/rev/c390dc999fcc
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Python tracker rep
Andrew Svetlov added the comment:
Pushed. Thank you, Anton!
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resolution: - fixed
stage: needs patch - committed/rejected
status: open - closed
versions: +Python 2.7
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue16443
Hello Developers,
I am a beginner in python and need help with writing a regular expression for
date and time to be fetched from some html documents. In the following code I
am walking through the html files in a folder called event and printing the
headings with h1 tag using beautifulsoup
On 11/26/2012 06:15 AM, undesputed.hack...@gmail.com wrote:
I am a beginner in python and need help with writing a regular
expression for date and time to be fetched from some html documents.
Would the parser module from the third-party dateutil module work for you?
http://pypi.python.org/pypi
On Monday, November 26, 2012 8:34:22 AM UTC-8, Michael Torrie wrote:
http://pypi.python.org/pypi/python-dateutil
...
I don't believe the library is updated for Python 3 yet, sadly.
dateutil supports 3.x since version 2.0.
--
http://mail.python.org/mailman/listinfo/python-list
Ezio Melotti added the comment:
Do you mean http://docs.python.org/2/library/re.html#match-objects ?
This doesn't seem to say anything too useful.
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue16443
keywords: easy
messages: 175188
nosy: docs@python, rhettinger
priority: normal
severity: normal
status: open
title: Add docstrings to regular expression match objects
type: enhancement
versions: Python 2.7, Python 3.1, Python 3.2, Python 3.3, Python 3.4
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Python
Changes by Ezio Melotti ezio.melo...@gmail.com:
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components: +Regular Expressions
nosy: +ezio.melotti, mrabarnett
stage: - needs patch
versions: -Python 3.1
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue16443
than following a grammar (_parse is a 238 line
function). So I think it really is just trying to match existing regular
expression parsers and any possible grammar is an excuse for why it should
be the way it is rather than an explanation.
--
Duncan Booth http://kupuguy.blogspot.com
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http
issue in the grammar.
(\s{6})+ is also accepted.
It's about syntax, not precedence, but the documentation doesn't really
spell it out in full. Like most regex documentation it talks in woolly
terms about special characters rather than giving a formal syntax.
A regular expression element may
On 10/05/2012 04:23 AM, Duncan Booth wrote:
A regular expression element may be followed by a quantifier.
Quantifiers are '*', '+', '?', '{n}', '{n,m}' (and lazy quantifiers
'*?', '+?', '{n,m}?'). There's nothing in the regex language which says
you can follow an element with two quantifiers
On 10/05/2012 10:27 AM, Evan Driscoll wrote:
On 10/05/2012 04:23 AM, Duncan Booth wrote:
A regular expression element may be followed by a quantifier.
Quantifiers are '*', '+', '?', '{n}', '{n,m}' (and lazy quantifiers
'*?', '+?', '{n,m}?'). There's nothing in the regex language which says
you
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