Like bobf, I have assumed that + is a concatenation. I thought I'd have a try without using split or map. Here it is

use strict;
use warnings;

my $str = "char(123)+char(107)+char(112)+char(43)";

my $newStr;
() = $str =~ m|(\d+)(?{$newStr .= chr($1)})|g;
print "$newStr\n";

[download]

When run this produces

{kp*

[download]

Cheers,

JohnGG

In reply to Re: parsing and evaluating a string by johngg
in thread parsing and evaluating a string by bfdi533

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