Why not store the delimiter in a variable and then use that variable?

my $delimiter = '$#$';

my @columns = split /\Q$delimiter\E/, $data;

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So, again, I'm not sure why you see this as a problem, as Perl provides many convenient escaping mechanisms, like single quotes and quotemeta.

In reply to Re^3: good delimiter in data for Perl by Corion
in thread good delimiter in data for Perl by sathiya.sw

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