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Re: Pattern Search Regular Expression

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To python-list@python.org
From Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject Re: Pattern Search Regular Expression
Date Sat, 15 Jun 2013 11:55:34 +0100
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Xref csiph.com comp.lang.python:48282

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On 15/06/2013 11:24, Denis McMahon wrote:
> On Sat, 15 Jun 2013 10:05:01 +0000, Steven D'Aprano wrote:
>
>> On Sat, 15 Jun 2013 02:42:55 -0700, subhabangalore wrote:
>>
>>> Dear Group,
>>>
>>> I am trying to search the following pattern in Python.
>>>
>>> I have following strings:
>>>
>>>   (i)"In the ocean" (ii)"On the ocean" (iii) "By the ocean" (iv) "In
>>>   this group" (v) "In this group" (vi) "By the new group"
>>>         .....
>>>
>>> I want to extract from the first word to the last word, where first
>>> word and last word are varying.
>>>
>>> I am looking to extract out:
>>>    (i) the (ii) the (iii) the (iv) this (v) this (vi) the new
>>>        .....
>>>
>>> The problem may be handled by converting the string to list and then
>>> index of list.
>>
>> No need for a regular expression.
>>
>> py> sentence = "By the new group"
>> py> words = sentence.split()
>> py> words[1:-1]
>> ['the', 'new']
>>
>> Does that help?
>
> I thought OP wanted:
>
> words[words[0],words[-1]]
>
> But that might be just my caffeine deprived misinterpretation of his
> terminology.
>

 >>> sentence = "By the new group"
 >>> words = sentence.split()
 >>> words[words[0],words[-1]]
Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
TypeError: list indices must be integers, not tuple

So why would the OP want a TypeError?  Or has caffeine deprivation 
affected your typing skills? :)

-- 
"Steve is going for the pink ball - and for those of you who are 
watching in black and white, the pink is next to the green." Snooker 
commentator 'Whispering' Ted Lowe.

Mark Lawrence

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Thread

Pattern Search Regular Expression subhabangalore@gmail.com - 2013-06-15 02:42 -0700
  Re: Pattern Search Regular Expression Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-06-15 10:05 +0000
    Re: Pattern Search Regular Expression Denis McMahon <denismfmcmahon@gmail.com> - 2013-06-15 10:24 +0000
      Re: Pattern Search Regular Expression Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-06-15 11:55 +0100
        Re: Pattern Search Regular Expression rusi <rustompmody@gmail.com> - 2013-06-15 04:28 -0700
        Re: Pattern Search Regular Expression Denis McMahon <denismfmcmahon@gmail.com> - 2013-06-15 13:41 +0000
          Re: Pattern Search Regular Expression Denis McMahon <denismfmcmahon@gmail.com> - 2013-06-15 13:45 +0000
            Re: Pattern Search Regular Expression Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-06-15 15:28 +0100
              Re: Pattern Search Regular Expression subhabangalore@gmail.com - 2013-06-15 07:31 -0700
                Re: Pattern Search Regular Expression Andreas Perstinger <andipersti@gmail.com> - 2013-06-15 17:01 +0200
                Re: Pattern Search Regular Expression Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-06-15 16:04 +0100
                Re: Pattern Search Regular Expression subhabangalore@gmail.com - 2013-06-15 09:28 -0700
                Re: Pattern Search Regular Expression Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-06-15 17:39 +0100
                Re: Pattern Search Regular Expression Terry Reedy <tjreedy@udel.edu> - 2013-06-15 16:24 -0400
  Re: Pattern Search Regular Expression Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-06-15 11:18 +0100
  Re: Pattern Search Regular Expression rurpy@yahoo.com - 2013-06-15 09:59 -0700
  Re: Pattern Search Regular Expression subhabangalore@gmail.com - 2013-06-15 10:54 -0700
    Re: Pattern Search Regular Expression rurpy@yahoo.com - 2013-06-15 11:47 -0700
      Re: Pattern Search Regular Expression subhabangalore@gmail.com - 2013-06-15 12:38 -0700
      Re: Pattern Search Regular Expression rurpy@yahoo.com - 2013-06-15 13:41 -0700
  Re: Pattern Search Regular Expression Joshua Landau <joshua.landau.ws@gmail.com> - 2013-06-15 22:03 +0100
  Re: Pattern Search Regular Expression Mark Lawrence <breamoreboy@yahoo.co.uk> - 2013-06-15 22:26 +0100

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