Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!news.mixmin.net!rt.uk.eu.org!newsfeed.xs4all.nl!newsfeed1.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail
Return-Path: <python@mrabarnett.plus.com>
X-Original-To: python-list@python.org
Delivered-To: python-list@mail.python.org
X-Spam-Status: OK 0.070
X-Spam-Evidence: '*H*': 0.86; '*S*': 0.00; "'')": 0.09; 'sentence': 0.09; 'attempted': 0.16; 'from:addr:mrabarnett.plus.com': 0.16; 'from:addr:python': 0.16; 'from:name:mrab': 0.16; 'message- id:@mrabarnett.plus.com': 0.16; 'words.': 0.16; 'wrote:': 0.18; 'appears': 0.22; 'import': 0.22; 'header:User-Agent:1': 0.23; 'this:': 0.26; 'defined': 0.27; 'header:In-Reply-To:1': 0.27; 'beginning': 0.33; 'problem': 0.35; 'but': 0.35; 'there': 0.35; 'i.e.': 0.36; 'hi,': 0.36; 'list': 0.37; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'extended': 0.61; 'full': 0.61; 'become': 0.64; 'within': 0.65; 'header:Reply-To:1': 0.67; 'reply- to:no real name:2**0': 0.71; 'reply-to:addr:python.org': 0.84; 'drink': 0.93
X-CM-Score: 0.00
X-CNFS-Analysis: v=2.1 cv=bKAvfpOZ c=1 sm=1 tr=0 a=0nF1XD0wxitMEM03M9B4ZQ==:117 a=0nF1XD0wxitMEM03M9B4ZQ==:17 a=0Bzu9jTXAAAA:8 a=LqG8EI-UCiYA:10 a=ihvODaAuJD4A:10 a=OUOv7kDek9cA:10 a=8nJEP1OIZ-IA:10 a=EBOSESyhAAAA:8 a=8AHkEIZyAAAA:8 a=0BJx7jLGQ-wA:10 a=O0lEaeldPKBt8p68TqcA:9 a=wPNLvfGTeEIA:10
X-AUTH: mrabarnett:2500
Date: Sat, 28 Sep 2013 18:00:29 +0100
From: MRAB <python@mrabarnett.plus.com>
User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:24.0) Gecko/20100101 Thunderbird/24.0
MIME-Version: 1.0
To: python-list@python.org
Subject: Re: replace only full words
References: <bd024ecf-2428-4d6a-bc0c-163112b31842@googlegroups.com>
In-Reply-To: <bd024ecf-2428-4d6a-bc0c-163112b31842@googlegroups.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-BeenThere: python-list@python.org
X-Mailman-Version: 2.1.15
Precedence: list
Reply-To: python-list@python.org
List-Id: General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe: <https://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: <https://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Newsgroups: comp.lang.python
Message-ID: <mailman.423.1380387623.18130.python-list@python.org>
Lines: 25
NNTP-Posting-Host: 2001:888:2000:d::a6
X-Trace: 1380387623 news.xs4all.nl 15896 [2001:888:2000:d::a6]:35744
X-Complaints-To: abuse@xs4all.nl
Xref: csiph.com comp.lang.python:54957

On 28/09/2013 17:11, cerr wrote:
> Hi,
>
> I have a list of sentences and a list of words. Every full word that appears within sentence shall be extended by <WORD> i.e. "I drink in the house." Would become "I <drink> in the <house>." (and not "I <d<rink> in the <house>.")I have attempted it like this:
>    for sentence in sentences:
>      for noun in nouns:
>        if " "+noun+" " in sentence or " "+noun+"?" in sentence or " "+noun+"!" in sentence or " "+noun+"." in sentence:
> 	sentence = sentence.replace(noun, '<' + noun + '>')
>
>      print(sentence)
>
> but what if The word is in the beginning of a sentence and I also don't like the approach using defined word terminations. Also, is there a way to make it faster?
>
It sounds like a regex problem to me:

import re

nouns = ["drink", "house"]

pattern = re.compile(r"\b(" + "|".join(nouns) + r")\b")

for sentence in sentences:
     sentence = pattern.sub(r"<\g<0>>", sentence)
     print(sentence)