Re: Whittle it on down

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From	Jussi Piitulainen <jussi.piitulainen@helsinki.fi>
Newsgroups	comp.lang.python
Subject	Re: Whittle it on down
Date	Thu, 05 May 2016 21:27:05 +0300
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Steven D'Aprano writes:

> On Fri, 6 May 2016 03:49 am, Jussi Piitulainen wrote:
>
>> Steven D'Aprano writes:
>> 
>>> I get something like this:
>>>
>>> r"(^[A-Z]+$)|(^([A-Z]+[ ]*\&[ ]*[A-Z]+)+$)"
>>>
>>>
>>> but it fails on strings like "AA   &  A &  A". What am I doing wrong?
>> 
>> It cannot split the string as (LETTERS & LETTERS)(LETTERS & LETTERS)
>> when the middle part is just one LETTER. That's something of a
>> misanalysis anyway. I notice that the correct pattern has already been
>> posted at least thrice and you have acknowledged one of them.
>
> Thrice? I've seen Peter's response (he made the trivial and obvious
> simplification of just using A instead of [A-Z], but that was easy to
> understand), and Random832 almost got it, missing only that you need to
> match the entire string, not just a substring. If there was a third
> response, I missed it.

I think I saw another. I may be mistaken.

Random832's pattern is fine. You need to use re.fullmatch with it.

. .

Thread

Whittle it on down DFS <nospam@dfs.com> - 2016-05-05 00:58 -0400
  Re: Whittle it on down Stephen Hansen <me+python@ixokai.io> - 2016-05-04 22:39 -0700
    Re: Whittle it on down DFS <nospam@dfs.com> - 2016-05-05 08:44 -0400
    Re: Whittle it on down DFS <nospam@dfs.com> - 2016-05-05 19:31 -0400
      Re: Whittle it on down Peter Otten <__peter__@web.de> - 2016-05-06 09:45 +0200
        Re: Whittle it on down DFS <nospam@dfs.com> - 2016-05-06 09:58 -0400
          Re: Whittle it on down DFS <nospam@dfs.com> - 2016-05-06 10:41 -0400
            Re: Whittle it on down Peter Otten <__peter__@web.de> - 2016-05-06 17:44 +0200
              Re: Whittle it on down DFS <nospam@dfs.com> - 2016-05-06 18:43 -0400
      Re: Whittle it on down alister <alister.ware@ntlworld.com> - 2016-05-06 10:01 +0000
  Re: Whittle it on down Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-05-05 08:53 +0300
    Re: Whittle it on down DFS <nospam@dfs.com> - 2016-05-05 08:57 -0400
  Re: Whittle it on down Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-05-05 16:04 +1000
    Re: Whittle it on down Stephen Hansen <me+python@ixokai.io> - 2016-05-04 23:46 -0700
      Re: Whittle it on down Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-05-05 17:04 +1000
        Re: Whittle it on down Stephen Hansen <me+python@ixokai.io> - 2016-05-05 00:34 -0700
          Re: Whittle it on down Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-05-05 18:41 +1000
            Re: Whittle it on down Random832 <random832@fastmail.com> - 2016-05-05 09:13 -0400
              Re: Whittle it on down Steven D'Aprano <steve@pearwood.info> - 2016-05-06 03:13 +1000
      Re: Whittle it on down Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2016-05-05 17:36 +1000
        Re: Whittle it on down Peter Otten <__peter__@web.de> - 2016-05-05 10:17 +0200
          Re: Whittle it on down Steven D'Aprano <steve@pearwood.info> - 2016-05-06 01:39 +1000
        Re: Whittle it on down Random832 <random832@fastmail.com> - 2016-05-05 09:21 -0400
          Re: Whittle it on down Steven D'Aprano <steve@pearwood.info> - 2016-05-06 04:03 +1000
            Re: Whittle it on down Random832 <random832@fastmail.com> - 2016-05-05 14:52 -0400
            Re: Whittle it on down Stephen Hansen <me+python@ixokai.io> - 2016-05-05 12:09 -0700
        Re: Whittle it on down Stephen Hansen <me+python@ixokai.io> - 2016-05-05 06:32 -0700
          Re: Whittle it on down DFS <nospam@dfs.com> - 2016-05-05 10:36 -0400
          Re: Whittle it on down Steven D'Aprano <steve@pearwood.info> - 2016-05-06 03:43 +1000
            Re: Whittle it on down Stephen Hansen <me+python@ixokai.io> - 2016-05-05 11:55 -0700
        Re: Whittle it on down Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-05-05 20:49 +0300
          Re: Whittle it on down Steven D'Aprano <steve@pearwood.info> - 2016-05-06 04:14 +1000
            Re: Whittle it on down Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-05-05 21:27 +0300
              Re: Whittle it on down Random832 <random832@fastmail.com> - 2016-05-05 14:54 -0400
              Re: Whittle it on down Steven D'Aprano <steve@pearwood.info> - 2016-05-06 10:57 +1000
                Re: Whittle it on down Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-05-06 07:19 +0300
    Re: Whittle it on down DFS <nospam@dfs.com> - 2016-05-05 08:31 -0400
      Re: Whittle it on down Steven D'Aprano <steve@pearwood.info> - 2016-05-06 03:54 +1000
        Re: Whittle it on down DFS <nospam@dfs.com> - 2016-05-05 17:36 -0400
      Re: Whittle it on down Stephen Hansen <me+python@ixokai.io> - 2016-05-05 11:56 -0700
        Re: Whittle it on down DFS <nospam@dfs.com> - 2016-05-05 17:45 -0400

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