You can also use substr with a negative offset: 
my $last_digit = 5;
if ($last_digit == substr $number, -1) {
    print "Matches!\n"
}

[download]

Or, similarly, use rindex: 

if (rindex($number, $last_digit) == length($number) - 1) {
    print "Matches!\n"
}

[download]
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re: <digits match> by choroba
in thread <digits match> by Anonymous Monk

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