>>>>> "Steve" == Steve Bertrand <[EMAIL PROTECTED]> writes:
Steve> I'm just beginning to learn a bit about some of the more obscure
Steve> regex's, but I'd like to ask if this following regex would ensure no
Steve> IP's got trapped in the @dns array? (Assuming that no .tld ends in a
Steve> \d):
Steve> push (@dns, $_) if $_ =~ /^\w+-?[\w+]?\.?[\w+.{1}]*[a-zA-Z]{2,3}$/;
This is wrong because it uses \w repeatedly, not [-0-9a-zA-Z], which
is needed. Underscore is not legal in hostname parts. Dash is.
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