Don't use regular expressions to "validate" email addresses (was: Ineed some help with a regexp please)

Cameron Laird claird at
Sat Sep 23 00:17:05 CEST 2006

In article <4513d40c$0$75029$14726298 at>,
Damjan  <gdamjan at> wrote:
>>> you'd create something to allow anyone to
>>> potentially spam the hell out of a system...
>> I'm sorry, but I fail to see how validating (or not) an email address
>> could prevent using a webmail form for spamming. Care to elaborate ?
>The best way would be to implement some limiting features. Try two times
>from the same IP address in less than 10 minutes and you are banned for the
>day. Or some such.
I'm having a lot of trouble imagining the problem this
fixes.  I certainly deal with plenty of spam that would
continue to flow even were this proposal to be implemented.

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