print +(join ' ', grep {/\d/} split /(..)/), "\n";

[download]

was what I had in mind, although the autoflush trick (--$|, see $| pre and post increment and deincrement behavior) is kinda cute too ;).

Update: added link

DWIM is Perl's answer to Gödel

In reply to Re^3: how to split input data ? by GrandFather
in thread how to split input data ? by bh_perl

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