a splitting headache
John O'Hagan
research at johnohagan.com
Thu Oct 15 21:39:19 EDT 2009
On Fri, 16 Oct 2009, Mensanator wrote:
> All I wanted to do is split a binary number into two lists,
> a list of blocks of consecutive ones and another list of
> blocks of consecutive zeroes.
[...]
> That means I can use re to solve my problem after all.
>
> >>> c = '0010000110'
> >>> re.sub('0',' ',c).split()
>
> ['1', '11']
>
> >>> re.sub('1',' ',c).split()
>
> ['00', '0000', '0']
>
[...]
Or without resorting to re:
c.replace('0', ' ').split()
c.replace('1', ' ').split()
Three or four times faster, too!
Regards,
John
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