I think here is the o/p which you want(hope so...)

JAVA3_70_303NM:2:1:184:1240     length=37
 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 34 40 40 40 40 40 40 
+40 37 40 40 40 40 40 40 24 30 40 40 17
PERL3_70_303NM:2:1:234:1166     length=37
 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 
+40 40 40 40 40 40 40 40 17 40 40 40 40
PYTHON3_70_303NM:2:1:202:1171   length=37
 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 14 40 40 13 18 40 35 
+38 34 40 40 40 4 37 28 40 40 40 40 2
[download]

here is some changes in your code ....

if($_=~ /(\S+)(.+)/xmsg){
 
     # $2 will contain all the digits.

     my $name = $1;

     my @numbers = split /\s+/, $2;
     my $values = @numbers;
[download]

if i am wrong plz give the proper o/p which you want....

have a good day :)