Re: RegEx: find all occurances of a single character in a string

[Fredrik Lundh]

<[EMAIL PROTECTED]> wrote:

> r=re.compile("a+")
> [m.start() for m in r.finditer(s) if len(m.group()) == 1]
>
< Mine runs 100K iterations of 'abcdatraataza','a' in 1.4s
> whereas Fredrik's does the same in 1.9s

sure, but how long did it take you to come up with a working RE?  and how
many casual RE users will understand what the heck that RE is doing?

(insert obligatory remark about premature optimization, etc).

</F> 



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