how to extract pattern 

 1. .xxx ( $analog_atop_io[n] ) .or.
 2. .ooo ( {$analog _atop_io[m], $analog _atop_io[m+1], $analog _atop_
+io[m+2], …} )

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to $analog_atop_io[n], $analog _atop_io[m], $analog _atop_io[m+1], $an
+alog _atop_io[m+2], … 
and then put into array @analog _atop_io

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analog_atop u_analog_atop (.PAD_VDDA ( PAD_VDDA ) , 
    , .LNA1_CURSET ( {n_IP_protect_573 , n_IP_protect_572 } )
    , .CTL_CXI_XO24M ( {n662 , n447 , n449 , n2478 } )
    , .CTL_SYNTH_EN ( n_IP_protect_313 )
    , .CTL_CXO_XO24M ( {n2705 , n439 , n441 , n443 } ) , 
    , .DPAD_VSS_TEMPSENSE ( DPAD_VSS_TEMPSENSE ) , .PAD_ADGPIO_2 ( PAD
+_ADGPIO_2 ) ) ;

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following is my code , but fail to extract ! (nothing captured) 

 
#!/usr/bin/perl
#use 5.010;
use strict;
use warnings;
use List::MoreUtils qw(uniq);

my $reS = qr{\..* \( (.*) \)}s;
my $reM = qr{\..* \( \{ (.*) \} \)}s;
#my $re = qr{TEXT;\s+LAYER 13[1-7];\s+TEXTTYPE 0;.*?STRING ([^;:]+)}s;
open my $fh, "analog_atop_inst.v" or die $!;
my @fields=();
    my $i=0;

{
    local $/ = "";
    while (<$fh>) {
        $fields[$i] = $1 , $i++  if /$reM/;
    }

}
@fields = sort @fields;
@fields  = uniq (@fields);
open(output_1, ">analog_atop_io".".txt") or die "can't open analog_ato
+p_io\n";
foreach  my $field (@fields){
        $field .= "\n";
print output_1 $field  ;
#print $field  ;

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In reply to how to extract multiple pattern into array by herman4016

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