On 2010-01-11, Steven D'Aprano <[email protected]> wrote:
[regarding profiling results]
> I think you'll find that Python's regex engine is pretty much
> optimised as well as it can be, short of a major re-write. But
> to quote Jamie Zawinski:
>
> Some people, when confronted with a problem, think "I know,
> I'll use regular expressions." Now they have two problems.
>
> The best way to optimize regexes is to use them only when
> necessary. They are inherently an expensive operation, a
> mini-programming language of it's own. Naturally some regexes
> are more expensive than others: some can be *really*
> expensive, some are not.
And for all pracitacal purposes, you can't tell which is which.
At least not for any value of "you" I've run into...
--
Grant Edwards grante Yow! I'm in direct contact
at with many advanced fun
visi.com CONCEPTS.
--
http://mail.python.org/mailman/listinfo/python-list
