It works for me the same way as with "English" characters. Just don't forget to tell Perl that you want to read UTF-8 from the source, input files, or use it for output. 
#! /usr/bin/perl
use warnings;
use strict;
use utf8;
 
my $string = '看【厂家直销 儿童加绒加厚打底裤 中小童冬季】Ib';
 
binmode STDOUT, ':encoding(UTF-8)';
while ($string =~ /【(.*?)】/g) {
    print "Match: $string\n";
}

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

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In reply to Re: String match in Chinese character by choroba
in thread String match in Chinese character by hankcoder

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