Re: Postgre RAISE NOTICE and PHP

On Thu, Aug 20, 2009 at 21:52, Jasen Betts<jasen(at)xnet(dot)co(dot)nz> wrote:
> On 2009-08-19, Clemens Schwaighofer <clemens_schwaighofer(at)e-gra(dot)co(dot)jp> wrote:
>> On Wed, Aug 19, 2009 at 02:11, Randal L. Schwartz<merlyn(at)stonehenge(dot)com> wrote:
>>>>>>>> "Andre" == Andre Lopes <lopes80andre(at)gmail(dot)com> writes:
>>>
>>> Andre> I'm developing a function with some checks, for example... to check if the
>>> Andre> e-mail is valid or not.
>>>
>>> How are you hoping to do this?  The regex to validate an email
>>> address syntactically is pretty large:
>>>
>>>  http://ex-parrot.com/~pdw/Mail-RFC822-Address.html
>>>
>>> And no, I'm not kidding.  If your regex is smaller than that, you aren't
>>> validating email... you're validating something "kinda like email".
>>
>> Just in my opinion, this regex is completely too large. For basic
>> validating something like:
>> ^[A-Za-z0-9!#$%&'*+-\/=?^_`{|}~][A-Za-z0-9!#$%&'*+-\/=?^_`{|}~\.]{0,63}(at)[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]{1,})*\.([a-zA-Z]{2,4}){1}$
>> works very well
>
> not good: eg:
>
> fails this valid address* : admin(at)xxxxxxx(dot)museum

yes it does, but all I need to change is {2,4}, to {2,6} or {2,}

> accepts this invalid one  : you(at)gmail(dot)(dot)com

and not it does not. I just tested it here.

The regex helps to avoid stuff like this:

foo](at)bar(dot)com
foo@@bar.com
foo(at)(dot)bar(dot)com
foo(at)bar

etc

>
> "musedoma" replaced with several x to protect the innocent from spam
>
> in some contexts email adrresses with no domain part are valid
> addresses with [bracketed] mx servers instead of a domain and/or bang
> paths are also allowed (but not in common use and often not desirable)
>
>
>
>
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