perlre should do the trick
quick answer is 
    $input =~ /^\w+$/;
    $input =~ /^\d+$/;

[download]

--
Jaap Karssenberg || Pardus (Larus)? <pardus@cpan.org>
>>>> Zoidberg: So many memories, so many strange fluids gushing out of patients' bodies.... <<<<

In reply to Re: Checking input by Pardus
in thread Checking input by skirrow

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