use strict;
use warnings;
use Data::Dumper;
my $contents = qq(
create item "xxx" {
  remove entry "}x{"
  add entry "yy" "xxx" {
     item1=xxxx,
     item2=xxxx,
  }
  add diffenent entry "}}xxx" {
     item1=xxx,
     item2=xxxx,
     item3=xxx
     add subitem {
         item1=xxx,
         item2=xxx,
         item3=xxx
      }
      add subitem {
         item1=xxx,
         item2=xxx,
      }
   }
   another type {
        item1=xxx
   } with "{{xxx"
 }
);
(my $re=$contents)=~s/(({)|(})|"(\\.|[^"\\])*"|.)/@{[')','']}[!$3]\Q$1
+\E@{['(','']}[!$2]/gs;
print Dumper(@$=eval{$contents=~/$re/});
die $@ if $@;

$re=join"|",map{"\Q$_\E"}@$;
print Dumper extract($contents);
sub extract{
    my $c=shift;
    my @r;
    while( $c =~ /(\S.*?)\s*(?:{($re)} *(.*)|$)/mg ){
        my($h,$b,$t)=($1,$2,$3);
        push @r,$b?[$h,extract($b),$t||()]:$h;
    }
    return @r?[@r]:$c;
}

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In reply to Re: Parsing balanced parentheses by I0
in thread Parsing balanced parentheses by budman

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