在 05-9-5，广星<guangxing at ict.ac.cn> 写道：
> 这些方法之类的您是怎么来查，又从哪里来查到呢？

无它，唯手熟而。程序写多了，自然就记住了，顶多查下语法，代码就出来了。

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如果str = 'dfsdf sdfsdf sdfsdf dsf dfdf dfdf'
我要按n(不定值)个空格来分，怎么办? 

 On 9/5/05, limodou <limodou at gmail.com> wrote: 
> 
> 在 05-9-5，广星<guangxing at ict.ac.cn> 写道：
> > 这些方法之类的您是怎么来查，又从哪里来查到呢？
> 
> 无它，唯手熟而。程序写多了，自然就记住了，顶多查下语法，代码就出来了。
> 
> --
> I like python!
> My Donews Blog: http://www.donews.net/limodou
> 
> _______________________________________________
> python-chinese list
> python-chinese at lists.python.cn
> http://python.cn/mailman/listinfo/python-chinese
> 
> 
> 


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fluke
fluke at sfcube.net
http://sfcube.net/blog
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perl的语法是这样的。
$_ = 'dfsdf sdfsdf sdfsdf  dsf   dfdf dfdf'；
@str_list = splite(/ +/);   #一个或多个空格/ +/
python 也可以吧，我又猜。
  ----- Original Message -----
  From: Fluke
  To: limodou at gmail.com ; python-chinese at lists.python.cn
  Sent: Monday, September 05, 2005 8:58 PM
  Subject: Re: Re: [python-chinese]如何把字符串中按空格分开的元素分别提取出
来？


  如果str = 'dfsdf sdfsdf sdfsdf  dsf   dfdf dfdf'
  我要按n(不定值)个空格来分，怎么办?


  On 9/5/05, limodou <limodou at gmail.com> wrote:
    在 05-9-5，广星<guangxing at ict.ac.cn> 写道：
    > 这些方法之类的您是怎么来查，又从哪里来查到呢？

    无它，唯手熟而。程序写多了，自然就记住了，顶多查下语法，代码就出来了。

    --
    I like python!
    My Donews Blog: http://www.donews.net/limodou

    _______________________________________________
    python-chinese list
    python-chinese at lists.python.cn
    http://python.cn/mailman/listinfo/python-chinese






  --
  Yours,
    fluke
  fluke at sfcube.net
  http://sfcube.net/blog


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  python-chinese at lists.python.cn
  http://python.cn/mailman/listinfo/python-chinese
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Fluke wrote:
> 如果str = 'dfsdf sdfsdf sdfsdf  dsf   dfdf dfdf'
> 我要按n(不定值)个空格来分，怎么办?

In [9]: s = 'dfsdf sdfsdf sdfsdf  dsf   dfdf dfdf'

In [10]: n = 2

In [11]: s.split(' ' * n)
Out[11]: ['dfsdf sdfsdf sdfsdf', 'dsf', ' dfdf dfdf']

In [12]: import re

In [13]: re.split(' ' * n + '+', s)
Out[13]: ['dfsdf sdfsdf sdfsdf', 'dsf', 'dfdf dfdf']


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