Re: regular expression question
| From: | Per Jessen | Date: | Fri, 31 Aug 2007 18:32:19 +0000 |
| Subject: | Re: regular expression question | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-261566@lists.php.net to get a copy of this message | ||
Matthew Lasar wrote:
> But I don't understand why the second half of the regular expression
> works. I'm talking about this part:
>
> @([-a-z0-9]+\.)+[a-z]{2,}/";
>
> why is it able to detect repeated sections of the email address after
> "@" that are separated by periods? like "@email.alaska.com" . It
> looks to me like it's only looking for one example of that pattern.
> Does the "()" allow an unlimited number of patterns to pass?
No, but the following '+' does.
/Per Jessen, Zürich