rubyonrailsin

Aldric Giacomoni wrote:
> Robert Walker wrote:
>> Marnen Laibow-Koser wrote:
>>> Robert Walker wrote:
>>>> Rajinder Yadav wrote:
>>>>> How can I validate and email address without using complex reg-ex is
>>>>> there a simple rails way to do this?
>>>>
>>>> Are you nuts? That's just the sort of thing Regexp was designed to do.
>>>> And, it's not really all that complex.
>>>
>>> Yes it is. The *only* correct regexps I am aware of for e-mail
>>> addresses are on the order of a page in length. All shorter regexps
>>> reject some valid e-mail addresses.
>>
>> Thanks Marnen. I stand corrected.
>>
>> However, just to clarify, are you saying that Regexp is still the best
>> approach? Given that what you're saying is true, which I'm sure it is,
>> then I could imagine that performing this validation without using
>> Regexp would be even more complex and require quite a bit more code.
>
> The best approach is to download a plugin for email validation, because
> someone, somewhere, has already done all the work ;-)

I wouldn't trust those plugins without inspecting their algorithms. I
would probably use something like the following regex:
/^.+@.+\..+$/

This checks that it's of the form "something@something.something", but
performs no further validation.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org
--
Posted via http://www.ruby-forum.com/.

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