Al wrote:
>
>
> 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.
You've just used one any way:
> $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");
> }
One regex and two function calls when one regex would have sufficed?
--
Per Jessen, Zürich (2.6°C)
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