Re^2: number of numbers in a string

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

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

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Re^3: number of numbers in a string by japhy (Canon) on Aug 12, 2004 at 18:33 UTC
You have an extra /e modifier on your last regex, but it ends up being harmless. But it's still extraneous; while it might be a typo, it might also be a sign of a misunderstanding of its purpose. _____________________________________________________ Jeff `japhy` Pinyan, P.L., P.M., P.O.D, X.S.: Perl, regex, and `perl` hacker How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart	[reply]

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Re^3: number of numbers in a string
by japhy (Canon) on Aug 12, 2004 at 18:33 UTC

_____________________________________________________
Jeff japhy Pinyan, P.L., P.M., P.O.D, X.S.: Perl, regex, and perl hacker
How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart

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