re
re
NAME
re - Perl pragma to alter regular expression behaviour
SYNOPSIS
use re 'taint'; ($x) = ($^X =~ /^(.*)$/s); # $x is tainted here $pat = '(?{ $foo = 1 })'; use re 'eval'; /foo${pat}bar/; # won't fail (when not under -T # switch) { no re 'taint'; # the default ($x) = ($^X =~ /^(.*)$/s); # $x is not taint