"MD" == Mark-Jason Dominus [EMAIL PROTECTED] writes:
MD The $ cost is paid by every regex in the entire program, whether they
MD used it or not. This is because Perl has no way to tell which regexes
MD use $ and which do not.
actually it is more like which code refers to $ and which
MD One of Uri's suggestions in RFC 158 was to compute $ only for
MD regexes that have a /k modifier. This would solve the $ problem
MD because Perl would compute $ only when asked to, and not for
MD every other regex in the rest of the program.
the rfc was about making $ private
actually it is more like which code refers to $ and which regex that
caem from. the problem stems from $ being a global and not local like
$1.
Say what? They scope the same!
sub foo { /./ }
$_ = "stuff";
/.../;
foo();
print $;
--tom
in any case, i think we have a fair agreement on rfc 158 and i will
freeze it if there is no further comments on it.
In light of this:
$ The string matched by the last successful pattern match (not
counting any matches hidden within a BLOCK or eval() enclosed
by the
