PHP and email addresses

[Nick Bell]

The expression:

preg_match_all("/text.*?([A-Z0-9._%-]+@[A-Z0-9._%-]+\.[A-Z]{2,6})/i",$f,
$matches);

Returns ONE email address on a line in $f beginning 'text' - how do I
retrieve ALL the email addresses on a line in $f beginning 'text' in php?

Many thanks

Nick

[Rik]

Nick Bell wrote:

The expression:

preg_match_all("/text.*?([A-Z0-9._%-]+@[A-Z0-9._%-]+\.[A-Z]{2,6})/i",$f,
$matches);

Returns ONE email address on a line in $f beginning 'text' - how do I
retrieve ALL the email addresses on a line in $f beginning 'text' in
php?

Many thanks

Without looking further at e-mail validation, adjust:
"/text.*?([A-Z0-9._%-]+@[A-Z0-9._%-]+\.[A-Z]{2,6})/i"
to:
"/^text(:?.*?([A-Z0-9._%-]+@[A-Z0-9._%-]+\.[A-Z]{2,6}))*/i"

Note that your regex will think .@..xx a valid email-adress.

Grtz,
--
Rik Wasmus

[Nick Bell]

Rik wrote:

Nick Bell wrote:

The expression:

preg_match_all("/text.*?([A-Z0-9._%-]+@[A-Z0-9._%-]+\.[A-Z]{2,6})/i",$f,
$matches);

Returns ONE email address on a line in $f beginning 'text' - how do I
retrieve ALL the email addresses on a line in $f beginning 'text' in
php?

Many thanks

Without looking further at e-mail validation, adjust:
"/text.*?([A-Z0-9._%-]+@[A-Z0-9._%-]+\.[A-Z]{2,6})/i"
to:
"/^text(:?.*?([A-Z0-9._%-]+@[A-Z0-9._%-]+\.[A-Z]{2,6}))*/i"

Note that your regex will think .@..xx a valid email-adress.

Grtz,

Thanks. The $f is the result of file_get_contents(...) and the
'beginning of line' function ^ doesn't seem to detect the beginnings of
lines generated using this method.

Any thoughts?

Nick

[Rik]

Nick Bell wrote:

Rik wrote:

Nick Bell wrote:

The expression:

preg_match_all("/text.*?([A-Z0-9._%-]+@[A-Z0-9._%-]+\.[A-Z]{2,6})/i",$f,
$matches);

Returns ONE email address on a line in $f beginning 'text' - how do
I retrieve ALL the email addresses on a line in $f beginning 'text'
in php?

Many thanks

Without looking further at e-mail validation, adjust:
"/text.*?([A-Z0-9._%-]+@[A-Z0-9._%-]+\.[A-Z]{2,6})/i"
to:
"/^text(:?.*?([A-Z0-9._%-]+@[A-Z0-9._%-]+\.[A-Z]{2,6}))*/i"

Note that your regex will think .@..xx a valid email-adress.

Grtz,

Thanks. The $f is the result of file_get_contents(...) and the
'beginning of line' function ^ doesn't seem to detect the beginnings
of lines generated using this method.

First: ^isn't a function.
Second: then try without:
"/text(:?.*?([A-Z0-9._%-]+@[A-Z0-9._%-]+\.[A-Z]{2,6}))*/i"

Grtz,
--
Rik Wasmus

[Tim Roberts]

Nick Bell <[e-mail]> wrote:

The expression:

preg_match_all("/text.*?([A-Z0-9._%-]+@[A-Z0-9._%-]+\.[A-Z]{2,6})/i",$f,
$matches);

Returns ONE email address on a line in $f beginning 'text' - how do I
retrieve ALL the email addresses on a line in $f beginning 'text' in php?

This isn't foolproof by a long shot. Every printable character except [,
\, and ] is valid in an RFC2822 e-mail address, and even [ and ] can be
used if the address is wrapped in quotes.

The full regular expression required to match an RFC2822 compliant e-mail
address is more than 6,000 characters long, and is one of the gems in
Friedl's book "Mastering Regular Expressions".

It is common to use "*" in an e-mail address, for example. Sendmail has a
feature that uses it. If you send to "ab*****@joe.com", it will try find
an alias for "abc*def" exactly. Failing that, it will send the message to
"ab*@joe.com". This is great for spam catching; I can sign up with web
sites as "ti******@probo.com" without defining it, and if I get to much
spam, I just add a specific alias for that which routes to null.
--
- Tim Roberts, ti**@probo.com
Providenza & Boekelheide, Inc.