#!/usr/bin/perl

use v5.14;
use warnings;
use utf8::all;

use JSON::XS qw( decode_json );
use Data::Dumper;

my $wl = '{"creche": "crèche",
"¥": "£",
"₡": "волн"
}';

my $pattern_list = decode_json( $wl );
print Dumper $pattern_list;