use strict;
my $str = ' options: [{
value: "120",
id: "40",
title: "1400g",
name: "Tamanho: 123"
},
{
value: "336",
id: "60",
title: "Chocolate",
name: "Sabor"
}
]';
my $regex = qr/(\w+):\s*
(
"[^"]*",? # qualquer coisa entre aspas, vírgula opcional
|[^\n\w]+ # só pra pegar o [{ depois de options
)/mxp;
my $subst = '\\"$1\\": $2';
my $result = $str =~ s/$regex/$subst/rg;
print "The result of the substitution is' $result\n";
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Perl, please visit: http://perldoc.perl.org/perlre.html