help on python regular expression named group

Joshua Landau joshua at landau.ws
Tue Jul 16 18:22:17 CEST 2013


On 16 July 2013 16:38, MRAB <python at mrabarnett.plus.com> wrote:
> On 16/07/2013 11:18, Mohan L wrote:
>>
>> I using another third party python script. It takes the regex from
>> configuration file. I can't write any code. I have to do all this in
>> single regex.
>>
> A capture group captures a single substring.
>
> What you're asking is for it to with capture 2 substrings (the date and
> the time) and then join them together, or capture 1 substring and then
> remove part of it.
>
> I don't know of _any_ regex implementation that lets you do that.

If MRAB is correct, there is one straw-clutching method. If in the
configuration you pass a regex *object* rather than a regex string,
you could duck-type as a regex object. This might sound far-fetched
but it's happened once to me.

Otherwise, good luck.



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