Give URI::Encode a try. 
#!usr/bin/perl -l

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

my $encoded = 'http://commons.wikimedia.org
  /wiki/File:Atelerix_algirus.jpg%E2%80%8E';
print uri_decode($encoded);

[download]

In reply to Re^3: Remove unicode "whitespace" by Khen1950fx
in thread Remove unicode "whitespace" by HYanWong

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
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