How about this? Is that the correct string? 
#!usr/bin/perl -l

use strict;
use warnings;
use URI::Encode qw(uri_decode);

my $encoded = "%E4%BA%8E%E6%96%AF%E5%B1%88%E8%BE%BE%E5%B0%94";
print uri_decode($encoded);

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In reply to Re: string conversion problem by Khen1950fx
in thread string conversion problem by stormbow

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