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Parsing from leaves to root using regular expressions:
#!/usr/bin/perl use Data::Dumper; use warnings; use strict; undef $/; my $input = <DATA>; $input =~ s/[ \n]//g; my %tree; while ($input =~ /[()]/) { if (my ($parent, $son) = $input =~ /\(([^()]+)=\(([^()]+)\)/) { my ($name, $value) = split /=/, $son; if (length $value) { push @{ $tree{$parent} }, {$name => $value}; } else { push @{ $tree{$parent} }, { $name => $tree{$name} }; delete $tree{$name}; } $input =~ s/\($son\)//; } elsif (my ($root, $value) = $input =~ /\(([^()]+)=([^()]+)\)/) { $tree{$root} = $value; $input =~ s/\($root=$value\)//; } else { die "Invalid input\n" unless $input =~ /^\([^()]+=\)$/; last; } } if (keys %tree > 1) { die "More than one root\n"; } print Dumper \%tree; __DATA__ (S=(SN=ac2.bd) (I1=(IN=s%1)(NM=1) (HL=(HLD=kkk kjkjk)(ST=abdc)(HI=REM SSS)(H_M=9)(HL=72)(EB=0) +(ER=0)(HI=E043-93A-DF0-0AB63E)(PE=aaa)(HN=DEE)(SS=NS)(SED=(APR=(PAD=k +kk)(PN=9905)(HH=llkjk))(DD=(LLL=kkk)))) (ppp=1)(RAW=kkk)(DN=kkk)(RIN=ppp)) (PPP=1) (AA=LLI))
لսႽ ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re: Help with regular expression by choroba
in thread Help with regular expression by ng

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