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Groups > comp.lang.python > #83575

Re: extracting numbers with decimal places from a string

From Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups comp.lang.python
Subject Re: extracting numbers with decimal places from a string
Date 2015-01-12 00:12 +0100
Organization PointedEars Software (PES)
Message-ID <2182977.fJl0o3iPdP@PointedEars.de> (permalink)
References (1 earlier) <mailman.17591.1421006803.18130.python-list@python.org> <3bfeea22-cded-4363-92fa-6f1b33ddae16@googlegroups.com> <mailman.17595.1421012580.18130.python-list@python.org> <8077448.xvuXrbCisO@PointedEars.de> <mailman.17599.1421016900.18130.python-list@python.org>

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Joel Goldstick wrote:

> Thomas 'PointedEars' Lahn wrote:
>> Joel Goldstick wrote:
>>> my_list = "1.23, 2.4, 3.123".split(",")
>>>
>>> that will give you ['1.23', '2.4', '3.123']
>>
>> No, it gives
>>
>> […]
>> | >>> my_list = "1.23, 2.4, 3.123".split(",")
>> | >>> my_list
>> | ['1.23', ' 2.4', ' 3.123']
               ^       ^
>> | >>>
>>
>> In order to get the result you described, one needs at least
>>
>> | >>> '1.23, 2.4, 3.123'.split(', ')
>> | ['1.23', '2.4', '3.123']
>>
>> […]
> 
> I'm not sure what you are trying to point out as your examples confirm
> my code.

No, they don't.

> Am I missing something.
                        ^
(Is that a question.)

You are missing a leading space character because in the string the comma 
was followed by one.

> As for feeding a beginner regex solutions, I'm on the side that this
> is a terrible idea.  Regex is not something a beginner should worry
> about!

NAK.

-- 
PointedEars

Twitter: @PointedEars2
Please do not cc me. / Bitte keine Kopien per E-Mail.

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Thread

extracting numbers with decimal places from a string Store Makhzan <store0a@gmail.com> - 2015-01-11 11:31 -0800
  Re: extracting numbers with decimal places from a string Joel Goldstick <joel.goldstick@gmail.com> - 2015-01-11 15:06 -0500
    Re: extracting numbers with decimal places from a string Store Makhzan <store0a@gmail.com> - 2015-01-11 12:26 -0800
      Re: extracting numbers with decimal places from a string Joel Goldstick <joel.goldstick@gmail.com> - 2015-01-11 16:42 -0500
        Re: extracting numbers with decimal places from a string Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-11 23:20 +0100
          Re: extracting numbers with decimal places from a string Joel Goldstick <joel.goldstick@gmail.com> - 2015-01-11 17:54 -0500
            Re: extracting numbers with decimal places from a string Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-12 00:12 +0100
              Re: extracting numbers with decimal places from a string Joel Goldstick <joel.goldstick@gmail.com> - 2015-01-11 18:35 -0500
                Re: extracting numbers with decimal places from a string Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-12 00:46 +0100
                Re: extracting numbers with decimal places from a string Peter Otten <__peter__@web.de> - 2015-01-12 01:09 +0100
                Re: extracting numbers with decimal places from a string Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-12 01:45 +0100
                Re: extracting numbers with decimal places from a string Chris Angelico <rosuav@gmail.com> - 2015-01-12 11:17 +1100
          Re: extracting numbers with decimal places from a string Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-12 11:45 +1100
        Re: extracting numbers with decimal places from a string Grant Edwards <invalid@invalid.invalid> - 2015-01-11 23:06 +0000
  Re: extracting numbers with decimal places from a string Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-12 00:07 +0100
    Re: extracting numbers with decimal places from a string Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-01-12 00:04 +0000
      Re: extracting numbers with decimal places from a string Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-12 02:00 +0100
    Re: extracting numbers with decimal places from a string MRAB <python@mrabarnett.plus.com> - 2015-01-12 00:59 +0000
    Re: extracting numbers with decimal places from a string Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-12 12:13 +1100

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