En Sat, 24 Jan 2009 18:23:51 -0200, MRAB <goo...@mrabarnett.plus.com>
escribió:
Some time ago I discovered this difference between regular expressions
in Python and Perl:
Python
\A matches at start of string
\Z matches at end of string
Perl
\A matches at start of string
\Z matches before terminal newline or at end of string
\z matches at end of string
In Perl \A == ^ and \Z == $ in single-string mode, but in Python \A == ^
and \Z != $ in single-string mode.
Why do you want the two to be equivalent? Isn't a good thing that you have
both alternatives (\Z and $)? Use whichever is adequate in each case.
--
Gabriel Genellina
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