[AccessD] email validation

Are we talking about code to determine whether the format of a particular 
string is valid as an email address or whether  a particular email address 
resolves to a real mailbox?

On 8 Jan 2006 at 13:12, MartyConnelly wrote:

> Here is some vb code to validate email addresses subject to a free daily
> limit or paid for via smtp mail server authentication at
> www.internetfrog.com
> 
...
> 
> Gustav Brock wrote:
...
> >^(?:[\w\!\#\$\%\&'\*\+\-\/\=\?\^\`\{\|\}\~]+\.)*[\w\!\#\$\%\&'\*\+\-\/\=\?
> >\^\`\{\|\}\~]+@(?:(?:(?:[a-zA-Z0-9](?:[a-zA-Z0-9\-](?!\.)){0,61}[a-zA-Z0-9]
> >?
> >\.)+[a-zA-Z0-9](?:[a-zA-Z0-9\-](?!$)){0,61}[a-zA-Z0-9]?)|(?:\[(?:(?:[01]?\d
> >{ 1,2}|2[0-4]\d|25[0-5])\.){3}(?:[01]?\d{1,2}|2[0-4]\d|25[0-5])\]))$
> >
> >which claims to have a proven record (browse to 2004-04-28, 7:48 pm):
> >
...
> >>>>martyconnelly at shaw.ca 07-01-2006 07:35 >>>
> >>>>
> >There is quite a range of vaild email addresses including the old X400
> >types Mastering Regular Expressions.  Is the best Owl book for regexp
> >
> > The book ends with an example regular expression to match
> >an email address. 
....
> >Jim Moss wrote:
> >
> >>Does anyone have a good email validation module that they would be willing
> >>to share?
> >>    
-- 
Stuart