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From: Gregory Ewing <greg.ewing@canterbury.ac.nz>
Newsgroups: comp.lang.python
Subject: Re: psss...I want to move from Perl to Python
Date: Sun, 31 Jan 2016 11:18:51 +1300
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Rustom Mody wrote:
> 1. One can use string-re's instead of compiled re's

And I gather that string REs are compiled on first use and
cached, so you don't lose much by using them most of the
time.

-- 
Greg