I don't know if you want it to work with octal or hex but this will work for decimal.

$word =~ /^-?(\d*)\.?(\d*)$/ && (length($1) || length($2));

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What's with the length checks? ".807" and "30." are valid numbers whereas "." is not. Hope this helps.

antirice    
The first rule of Perl club is - use Perl
The ith rule of Perl club is - follow rule i - 1 for i > 1

In reply to Re: numeric comparison by antirice
in thread numeric comparison by hotshot

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