Re: Email Validation
| From: | CrossWalkCentral | Date: | Fri, 08 Mar 2002 02:10:39 +0000 |
| Subject: | Re: Email Validation | ||
| References: | 1 2 | Groups: | php.db |
| Request: | Send a blank email to php-db+get-17562@lists.php.net to get a copy of this message | ||
How would I go about doing the DNS look up part?
"Markus Lervik" <markus.lervik@vaasa.fi> wrote in message
news:200202120803.g1C83dI16048@vaasa.vaasa.fi...
> On Tuesday 12 February 2002 06:19, CrossWalkCentral wrote:
>
> > I am working on a form that I have in php and am looking for some advise
> > on form validation or specifically email address validation so i can
> > insure that some one has put in a properly formatted email address
>
> Well. something like
>
> if (!eregi("^[A-Za-z0-9\_-]+@[A-Za-z0-9\_-]+.[A-Za-z0-9\_-]+.*", $email))
{
> echo "$email doesn't seem to be a valid e-mail address!";
> }
>
> would do the job. Of course, that doesn't stop people from entering a
false
> email address. You could do a DNS-lookup to see if the domain-part of
> the address really exists, too.
>
>
> Cheers,
> Markus
>
> --
> Markus Lervik
> Linux-administrator with a kungfoo grip
> Vaasa City Library - Regional Library
> markus.lervik@vaasa.fi
> +358-6-325 3589 / +358-40-832 6709