# or:
++$count while $foo =~ /\d/g;
# or:
$count = $foo =~ s/(\d)/$1/g;
# or:
$count = () = $foo =~ /\d/g;
# or:
$foo =~ s/(\d)/++$count; $1/ge;
# etc.

[download]
But y/// (aka tr///) is the perfect-fit tool for this job.

Update: s/gee/ge/; thanks, japhy; yes, a typo

In reply to Re^2: number of numbers in a string by ysth
in thread number of numbers in a string by concept03

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