re.search much slower then grep on some regular expressions

[Sebastian "lunar" Wiesner]

Terry Reedy <tjreedy at udel.edu>:

> Mark Dickinson wrote:
>> On Jul 5, 1:54 pm, Carl Banks <pavlovevide... at gmail.com> wrote:
> 
>> Part of the problem is a lack of agreement on what
>> 'regular expression' means.
> 
> Twenty years ago, there was.  Calling a extended re-derived grammar
> expression like Perl's a 'regular-expression' is a bit like calling a
> Hummer a 'car' -- perhaps to hide its gas-guzzling behavior.

Yet, to many programmers the Hummer is not only just a car, its _the_ car. 
Everything else is just silly, bloody old posix crap ;)

(meaning, that pcres are often seen as true regular expressions, and
everything else is referred to as "being somehow restricted")

-- 
Freedom is always the freedom of dissenters.
                                      (Rosa Luxemburg)