Re: Regular Expression for the special character "|" pipe

From	Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject	Re: Regular Expression for the special character "\|" pipe
Date	2014-05-27 14:06 +0100
References	<9c8e58be-9619-44c7-8098-961a0134c422@googlegroups.com> <CAHzaPEPqruhi57cK5BQt0roRRkqKOfgAdM5Yoe-stM+Ta5FB9w@mail.gmail.com> <mailman.10369.1401190577.18130.python-list@python.org> <3cc77455-39ed-4403-a46c-5dd8e640a483@googlegroups.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.10371.1401195996.18130.python-list@python.org> (permalink)

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On 27/05/2014 12:39, Aman Kashyap wrote:
> On Tuesday, 27 May 2014 16:59:38 UTC+5:30, Daniel  wrote:
>> What about skipping the re and try this:
>>
>>
>>
>> 'start=|ID=ter54rt543d|SID=ter54rt543d|end=|'.split('|')[1][3:]
>>
>>
>>
>> On 27.05.2014 14:09, Vlastimil Brom wrote:
>>
>>> 2014-05-27 12:59 GMT+02:00 Aman Kashyap <amankashyap1223@gmail.com>:
>>
>>>> I would like to create a regular expression in which i can match the "|" special character too.
>>
>>>>
>>
>>>> e.g.
>>
>>>>
>>
>>>> start=|ID=ter54rt543d|SID=ter54rt543d|end=|
>>
>>>>
>>
>>>> I want to only |ID=ter54rt543d| from the above string but i am unable to write the  pattern match containing "|" pipe too.
>>
>>>>
>>
>>>> By default python treat "|" as an OR operator.
>>
>>>>
>>
>>>> But in my case I want to use to as a part of search string.
>>
>>>> --
>>
>>> Hi,
>>
>>> you can just escpape the pipe with backlash like any other metacharacter:
>>
>>>
>>
>>> r"start=\|ID=ter54rt543d"
>>
>>>
>>
>>> be sure to use the raw string notation r"...", or you can double all
>>
>>> backslashes in the string.
>>
>>>
>>
>>> hth,
>>
>>>      vbr
>
> Thanks for the response.
>
> I got the answer finally.
>
> This is the regular expression to be used:\\|ID=[a-z]*[0-9]*[a-z]*[0-9]*[a-z]*\\|
>

I'm pleased to see that you have answers.  In return would you please 
use the mailing list 
https://mail.python.org/mailman/listinfo/python-list or read and action 
this https://wiki.python.org/moin/GoogleGroupsPython to prevent us 
seeing double line spacing and single line paragraphs, thanks.

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence

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Thread

Regular Expression for the special character "|" pipe Aman Kashyap <amankashyap1223@gmail.com> - 2014-05-27 03:59 -0700
  Re: Regular Expression for the special character "|" pipe Vlastimil Brom <vlastimil.brom@gmail.com> - 2014-05-27 13:09 +0200
    Re: Regular Expression for the special character "|" pipe Aman Kashyap <amankashyap1223@gmail.com> - 2014-05-27 04:20 -0700
  Re: Regular Expression for the special character "|" pipe Daniel <5960761@gmail.com> - 2014-05-27 14:29 +0300
    Re: Regular Expression for the special character "|" pipe Aman Kashyap <amankashyap1223@gmail.com> - 2014-05-27 04:39 -0700
      Re: Regular Expression for the special character "|" pipe Wolfgang Maier <wolfgang.maier@biologie.uni-freiburg.de> - 2014-05-27 13:55 +0200
        Re: Regular Expression for the special character "|" pipe Roy Smith <roy@panix.com> - 2014-05-27 08:35 -0400
      Re: Regular Expression for the special character "|" pipe Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-05-27 14:06 +0100

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