Re: RegExp help

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From	Larry Martell <larry.martell@gmail.com>
Newsgroups	comp.lang.python
Subject	Re: RegExp help
Date	Wed, 10 Feb 2016 22:09:51 -0500
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On Wed, Feb 10, 2016 at 10:00 PM, MRAB <python@mrabarnett.plus.com> wrote:
> On 2016-02-11 02:48, Larry Martell wrote:
>>
>> Given this string:
>>
>>>>> s = """|Type=Foo
>>
>> ... |Side=Left"""
>>>>>
>>>>> print s
>>
>> |Type=Foo
>> |Side=Left
>>
>> I can match with this:
>>
>>>>> m = re.search(r'^\|Type=(.*)$\n^\|Side=(.*)$',s,re.MULTILINE)
>>>>> print m.group(0)
>>
>> |Type=Foo
>> |Side=Left
>>>>>
>>>>> print m.group(1)
>>
>> Foo
>>>>>
>>>>> print m.group(2)
>>
>> Left
>>
>> But when I try and sub it doesn't work:
>>
>>>>> rn = re.sub(r'^\|Type=(.*)$^\|Side=(.*)$', r'|Side Type=\2
>>>>> \1',s,re.MULTILINE)
>>>>> print rn
>>
>> |Type=Foo
>> |Side=Left
>>
>> What very stupid thing am I doing wrong?
>>
> The 4th argument of re.sub is the count.


Thanks. Turned out that this site is running 2.6 and that doesn't
support the flags arg to sub. So I had to change it to:

re.sub(r'\|Type=(.*)\n\|Side=(.*)', r'\|Side Type=\2 \1',s)

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Re: RegExp help Larry Martell <larry.martell@gmail.com> - 2016-02-10 22:09 -0500

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