You can use 'g' modifier to the regexp, and then it could returns an array
my $a = '059057034037063107105003046039039036107063035046';
my @nums = split /(\d{3})/g,$a;
Hope this helps
Hopes
Update
Yes, I didn't notice it.
My first script returns empty values too because of the split.
If you want to use split, you can try:
my @nums = grep $_,split /(\d{3})/g,$a;
but is better without split
my @nums = $a=~/\d{3}/g;
Regards
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