The following should do: 
$foo = "spider9832man23";
my @digits = ($foo =~ /\d/g);
print scalar(@digits); # print 6

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Looking at merlyn's Forcing list context, the above can be simplified as: 
$foo = "spider9832man23";
print ( $count = () = $foo =~ /\d/g); # prints: 6

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In reply to Re: number of numbers in a string by johnnywang
in thread number of numbers in a string by concept03

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