Perl Regex to strip all but last character in a string

Hi List Members,

I am trying to strip all but the last digit in a string.  I tried using:
$foo =~ s!^..!!;
which workd fine if there are 3 digits in the string.  (The case most of the
time), but there might only be 2 digits.

Am I going about this backwards?

Thanks for any help.

Jan

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