Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.python > #8326

Re: How do you print a string after it's been searched for an RE?

Path csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!feeder.news-service.com!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!post.news.xs4all.nl!not-for-mail
Return-Path <ian.g.kelly@gmail.com>
X-Original-To python-list@python.org
Delivered-To python-list@mail.python.org
X-Spam-Status OK 0.025
X-Spam-Evidence '*H*': 0.95; '*S*': 0.00; 'expressions.': 0.09; 'subject:string': 0.09; 'wrote:': 0.15; 're.search': 0.16; 'subject:print': 0.16; 'cc:addr:python-list': 0.16; 'pm,': 0.16; '2.x': 0.19; 'string,': 0.19; 'variable': 0.21; 'cc:2**0': 0.21; 'this?': 0.22; 'cc:no real name:2**0': 0.22; 'header:In-Reply- To:1': 0.22; 'assume': 0.23; 'found,': 0.23; 'appear': 0.23; 'string': 0.26; 'function': 0.26; 'message-id:@mail.gmail.com': 0.28; 'thu,': 0.28; 'cc:addr:python.org': 0.30; 'match': 0.30; 'times.': 0.30; 'subject:?': 0.31; 'print': 0.32; "i've": 0.33; 'calling': 0.34; 'received:209.85.161.46': 0.34; 'received:mail- fx0-f46.google.com': 0.34; 'probably': 0.35; 'subject:How': 0.36; 'regular': 0.36; 'response': 0.37; 'received:google.com': 0.37; 'but': 0.37; 'received:209.85': 0.38; 'received:209.85.161': 0.38; 'subject:: ': 0.38; 'run': 0.39; 'received:209': 0.39; 'would': 0.40; 'john': 0.62; 'body': 0.63; 'due': 0.66; 'jun': 0.67; 'subject:you': 0.80
DKIM-Signature v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=v0HEL6r/2uYg0NjvJnDXzQt0ys2Q9vQLi+Ol4ImQvIs=; b=E6UhuMuGLu/DaRHb3wPLfzDb4o/Ze65XVgFluG7o4B0L8qhvxqMRzI8rRtEmk6oJUD F1388mOq1G0L2fKSkR0FPlG2okmQTyqfZQjXLBgC4FF5gQfPIvnbQ9uwQPuQ+S8yiebU jYXoWmvIw2NX6sR9n7TrV4aNE1HUHbvl1vDpM=
DomainKey-Signature a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; b=uH5sTlki3yYNBv3IawMOqE54frvE+OyMZHSzA3fUn6jp39tyzvp7P9+w/8wlxXk4Df 5P60CSSEBZOJN03jub7ZOAfvRKuReTzFEqLYiLB//8at3anzbKbMlPDRL+bG5JhMPNGO HUCfHWspKIh81+SMQYkiIpYA6JCfKRAgagUeg=
MIME-Version 1.0
In-Reply-To <c4486911-f2cb-4e0e-a93c-3d6ff7e302e9@16g2000yqy.googlegroups.com>
References <c4486911-f2cb-4e0e-a93c-3d6ff7e302e9@16g2000yqy.googlegroups.com>
From Ian Kelly <ian.g.kelly@gmail.com>
Date Thu, 23 Jun 2011 14:47:07 -0600
Subject Re: How do you print a string after it's been searched for an RE?
To John Salerno <johnjsal@gmail.com>
Content-Type text/plain; charset=ISO-8859-1
Cc python-list@python.org
X-BeenThere python-list@python.org
X-Mailman-Version 2.1.12
Precedence list
List-Id General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe <http://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive <http://mail.python.org/pipermail/python-list>
List-Post <mailto:python-list@python.org>
List-Help <mailto:python-list-request@python.org?subject=help>
List-Subscribe <http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups comp.lang.python
Message-ID <mailman.340.1308862058.1164.python-list@python.org> (permalink)
Lines 10
NNTP-Posting-Host 82.94.164.166
X-Trace 1308862058 news.xs4all.nl 14135 [::ffff:82.94.164.166]:40464
X-Complaints-To abuse@xs4all.nl
Xref x330-a1.tempe.blueboxinc.net comp.lang.python:8326

Show key headers only | View raw


On Thu, Jun 23, 2011 at 1:58 PM, John Salerno <johnjsal@gmail.com> wrote:
> After I've run the re.search function on a string and no match was
> found, how can I access that string? When I try to print it directly,
> it's an empty string, I assume because it has been "consumed." How do
> I prevent this?

This has nothing to do with regular expressions. It would appear that
page.read() is letting you read the response body multiple times in
2.x but not in 3.x, probably due to a change in buffering.  Just store
the string in a variable and avoid calling page.read() multiple times.

Back to comp.lang.python | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

How do you print a string after it's been searched for an RE? John Salerno <johnjsal@gmail.com> - 2011-06-23 12:58 -0700
  Re: How do you print a string after it's been searched for an RE? Ian Kelly <ian.g.kelly@gmail.com> - 2011-06-23 14:47 -0600
    Re: How do you print a string after it's been searched for an RE? John Salerno <johnjsal@gmail.com> - 2011-06-23 14:14 -0700
  Re: How do you print a string after it's been searched for an  RE? "Thomas L. Shinnick" <tshinnic@prismnet.com> - 2011-06-23 16:47 -0500
    Re: How do you print a string after it's been searched for an RE? John Salerno <johnjsal@gmail.com> - 2011-06-23 15:02 -0700

csiph-web