At 11:32 AM 8/31/2007, Per Jessen wrote:
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.
But how? The +[a-z]{2,} seems to allow at least
two a-z clusters, but it doesn't include a period. /ml
/Per Jessen, Zürich
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