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Re^3: Regex error when [] occurs in file..

by Joost (Canon)
on Mar 03, 2008 at 16:11 UTC ( #671672=note: print w/replies, xml ) Need Help??


in reply to Re^2: Regex error when [] occurs in file..
in thread Regex error when [] occurs in file..

Are all 'special variables' ($&, $N (N is integer)) expanded in that way too?
All variables are expanded that way, special or not: 
my $var = '[ab]';
my $string = '12a3434';
print "match" if $string =~ /$var/;

[download]
See also quotemeta and the \Q and \E escape sequences.

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