Kris Vose wrote:
> 
> How would you write a regular expression that defines a phone number:  ex. 
>(123)123-1234.
> 
> In other words how would you check to see if there were three numerics surrounded by 
>(), then
> three numerics with a "-", then four numerics.

with posix regular expression, for example :
$pattern = "\([0-9]{3}\)[0-9]{3}\-[0-9]{4}";
or
$pattern = "\([0-9]{3}\)[0-9]{3}-[0-9]{4}";
(i m not sure for the -)

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