Scalar::Util::looks_like_number

This is also a FAQ: perldoc -q number 

use warnings;
use strict;
use Scalar::Util qw(looks_like_number);

my $s = shift;
if (looks_like_number($s)) {
  print "$s is a number\n";
} else {
  print "$s isn't a number\n";
}

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In reply to Re: A function to determine if a string is numeric by toolic
in thread A function to determine if a string is numeric by juliosergio

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