As chipmunk lays out, the eval manpage says: 

   Beware that using eval() neither silences perl from
   printing warnings to STDERR, nor does it stuff the text
   of warning messages into $@. To do either of those, you
   have to use the $SIG{__WARN__} facility.

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In reply to Re: Validating Numbers in CGI Script? by perlmonkey
in thread Validating Numbers in CGI Script? by footpad

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