[Israel.pm] The qr// operator
eli at billauer.co.il
Tue Dec 30 14:17:29 PST 2008
The open question here is about performance. As for readability, the
example shows pretty clearly that a complex regular expression can be
made accessible to mortals.
And yes, I suppose that gradually creating a complex regular expression
as a string, with parentheses carefully put in place, would do the job.
Have you ever seen someone doing that?
The point is, that for some reason, setting up a regular expression in
stages is pretty rare (read: never seen it until now). What is much more
commonplace is a bombardment of cryptic characters. And I sincerely
wonder if there is any reason in the world why regular expressions
should look that way.
Avishalom Shalit wrote:
> isn't qr a performance thing ?
> couldn't you have gotten the same readability with strings ?
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