[PHP-DB] Re: Regex for telephone numbers

[Al]

On 12/29/2010 7:12 PM, Ethan Rosenberg wrote:
Dear List -

Thank you for all your help in the past.

Here is another one....

I would like to have a regex which would validate that a telephone number is
in the format xxx-xxx-xxxx.

Thanks.

Ethan

MySQL 5.1 PHP 5 Linux [Debian (sid)]


Regex is over-kill.

$phoneNum = preg_replace("%\D%", '', $phoneNum);//Remove everything except 
digits

$phoneNum = ltrim($phoneNum,'1');//Remove leading 1s

if(strlen($phoneValue) != 10)
    {
throw new Exception("Phone number must be 10 digits, without leading a 1. Check 
your entry carefull");
    }

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