Re: How do I check if the format of an email address is valid?

[Lennart Borgman <lennart.borgman.073@student.lu.se>]

Pascal Bourguignon wrote:
> Lennart Borgman <lennart.borgman.073@student.lu.se> writes:
>   
>> Thanks Reiner! Two small worries:
>>
>> - `message-valid-fqdn-regexp' (which is copied to
>> gnus-button-valid-local-part-regexp') has a list of TLD:s. Is this
>> really wise? I guess there will be new TLD:s. (In fact there may
>> already be some that are not in this list.)
>>     
>
> You can customize the variable!
>   
This argument can be used in the reverse direction too. Do most users 
really gain something from the list of known TLD:s in the regexp?

>
>   
>> - It is maybe a pitty that you have to load those big modules (message
>> and gnus) just to get the patterns.
>>     
>
>
> You only need to (require 'message) to get message-valid-fqdn-regexp.
> In anycase, if you're processing email addresses, it's rather probable
> you'll have to process emails too.
>
> And you only need to (require 'gnus-art) to get the other variables.
>   
I just want to check the format of email addresses entered on a html page.

>   
>> And then I can not stop myself from wondering if there really are any
>> format of email addresses that asures that conforming addresses are
>> actually existing email adresses ;-)
>>     
>
> Of course not.  
>   
And I will probably never learn the fine art of joking in email messages ;-)