how about this (works on STDIN): 
#!/usr/bin/perl -ln
$n+=(1<<length)-1for/(\d+)/g;
END{print $n}

[download]
 ignore that, I'm off to think.
"What should it profit a man, if he should win a flame war, yet lose his cool?"

In reply to Re^3: number of numbers in a string by Joost
in thread number of numbers in a string by concept03

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