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Groups > comp.lang.python > #55801 > unrolled thread
| Started by | Ian <ian.g.kelly@gmail.com> |
|---|---|
| First post | 2011-02-07 10:02 -0800 |
| Last post | 2011-02-07 23:02 +0000 |
| Articles | 3 — 3 participants |
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Re: splitting by double newline Ian <ian.g.kelly@gmail.com> - 2011-02-07 10:02 -0800
Re: splitting by double newline Nikola Skoric <nick@fly.srk.fer.hr> - 2011-02-07 21:15 +0000
Re: splitting by double newline MRAB <python@mrabarnett.plus.com> - 2011-02-07 23:02 +0000
| From | Ian <ian.g.kelly@gmail.com> |
|---|---|
| Date | 2011-02-07 10:02 -0800 |
| Subject | Re: splitting by double newline |
| Message-ID | <85980d81-1c01-4f71-a9da-77fb906c5358@s11g2000yqh.googlegroups.com> |
On Feb 7, 10:43 am, Nikola Skoric <n...@fly.srk.fer.hr> wrote:
> Hello everybody,
>
> I'd like to split a file by double newlines, but portably. Now,
> splitting by one or more newlines is relatively easy:
>
> self.tables = re.split("[\r\n]+", bulk)
>
> But, how can I split on double newlines? I tried several approaches,
> but none worked...
self.tables = re.split(r'(?:\r\n){2,}|\r{2,}|\n{2,}', bulk)
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| From | Nikola Skoric <nick@fly.srk.fer.hr> |
|---|---|
| Date | 2011-02-07 21:15 +0000 |
| Message-ID | <iipne9$or9$2@nntp.amis.hr> |
| In reply to | #55801 |
Dana Mon, 7 Feb 2011 10:02:05 -0800 (PST),
Ian <ian.g.kelly@gmail.com> kaze:
> self.tables = re.split(r'(?:\r\n){2,}|\r{2,}|\n{2,}', bulk)
Thanks!
I tried without "?:", but it didn't work. Can you tell me why is it
important that group is noncapturing?
--
"Now the storm has passed over me
I'm left to drift on a dead calm sea
And watch her forever through the cracks in the beams
Nailed across the doorways of the bedrooms of my dreams"
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| From | MRAB <python@mrabarnett.plus.com> |
|---|---|
| Date | 2011-02-07 23:02 +0000 |
| Message-ID | <mailman.8.1297119747.6276.python-list@python.org> |
| In reply to | #55819 |
On 07/02/2011 21:15, Nikola Skoric wrote:
> Dana Mon, 7 Feb 2011 10:02:05 -0800 (PST),
> Ian<ian.g.kelly@gmail.com> kaze:
>> self.tables = re.split(r'(?:\r\n){2,}|\r{2,}|\n{2,}', bulk)
>
> Thanks!
>
> I tried without "?:", but it didn't work. Can you tell me why is it
> important that group is noncapturing?
>
The scanner uses capture groups to identify which part matched. If you
provide additional capture groups it has problems...
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