PIN vcc
    aaaa
    bbbb
    Port
      LAYER m2 ;
    END
    CCC
    DDD
    Port 
      LAYER m1 ;
    END
    EEE
    FFF
    Port
      LAYER m0 ;
    END
   END vcc

##</code><code>##


if (/PIN vcc/../END vcc/) {
           if(/LAYER\s+m(\S+)/) {
             push(@num, $1);
             print "@num" ;
             

             
           
}