Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!news2.arglkargh.de!news.mixmin.net!rt.uk.eu.org!newsfeed.xs4all.nl!newsfeed2a.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.035 X-Spam-Evidence: '*H*': 0.93; '*S*': 0.00; 'matches': 0.07; 'subject:Question': 0.07; 'from:addr:mrabarnett.plus.com': 0.16; 'from:addr:python': 0.16; 'from:name:mrab': 0.16; 'message- id:@mrabarnett.plus.com': 0.16; 'received:192.168.1.4': 0.16; 'subject:skip:m 10': 0.16; 'unicode.': 0.16; 'wrote:': 0.18; '>>>': 0.22; 'header:User-Agent:1': 0.23; 'affects': 0.24; 'tend': 0.24; 'header:In-Reply-To:1': 0.27; 'equivalent.': 0.31; 'johnson': 0.35; 'but': 0.35; 'two': 0.37; 'expressed': 0.37; 'to:addr:python-list': 0.38; 'aside': 0.39; 'to:addr:python.org': 0.39; 'even': 0.60; 'utilize': 0.61; 'more': 0.64; 'article': 0.77; 'technically': 0.84; 'rick': 0.93 X-CM-Score: 0.00 X-CNFS-Analysis: v=2.1 cv=OZcWD3jY c=1 sm=1 tr=0 a=0nF1XD0wxitMEM03M9B4ZQ==:117 a=0nF1XD0wxitMEM03M9B4ZQ==:17 a=0Bzu9jTXAAAA:8 a=u9EReRu7m0cA:10 a=fYbsqdoXkfoA:10 a=ihvODaAuJD4A:10 a=IkcTkHD0fZMA:10 a=EBOSESyhAAAA:8 a=4RBUngkUAAAA:8 a=pGLkceISAAAA:8 a=cXx4csAvdgpisRhDrbkA:9 a=QEXdDO2ut3YA:10 a=Bm6qEjDGwGEA:10 a=MSl-tDqOz04A:10 X-AUTH: mrabarnett:2500 Date: Sun, 06 Jul 2014 23:49:23 +0100 From: MRAB User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: python-list@python.org Subject: Re: Question about metacharacter '*' References: <1404668474.56075.BPMail_high_noncarrier@web163802.mail.gq1.yahoo.com> In-Reply-To: <1404668474.56075.BPMail_high_noncarrier@web163802.mail.gq1.yahoo.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 18 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1404686967 news.xs4all.nl 2935 [2001:888:2000:d::a6]:60118 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:74061 On 2014-07-06 18:41, Albert-Jan Roskam wrote: > > > >>In article , >> Rick Johnson wrote: >> >>> As an aside i prefer to only utilize a "character set" when >>> nothing else will suffice. And in this case r"[0-9][0-9]*" >>> can be expressed just as correctly (and less noisy IMHO) as >>> r"\d\d*". >> >>Even better, r"\d+" > > I tend tot do that too, even though technically the two are not perfectly equivalent. With the re.LOCALE flag LC_ctype is also affected, which affects what is captured by \d but not by [0-9] > \d also matches more than just [0-9] in Unicode.