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[RESOLVED] Phone number regex?

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Aug 08.2007

I’ve found a couple out there – but not to the extent in which I want..

I want to be able to match:
1-(817)-555-1212
(817)-555-1212
1-817-555-1212
[817] 555 1212
817x555x1212
817.555.1212
…. and the rest of the mix and match of -‘s,.’s, [‘s, (‘s, x’s, etc..

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PHP

8 Comments(s) ↴

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@LeeUAug 08.2007 — Why not just use a mask?
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@ellisglauthorAug 08.2007 — Not everyone is going to have javascript turned on. So validating the phone number on the server side has to be done. Even if everyone in the world had it turned on - I still would do it server side to make absolutely sure the input is clean before passing it to the DB.
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@LeeUAug 08.2007 — Gotcha! How about something here?
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@ellisglauthorAug 08.2007 — Right now I'm using:

$regex = "/^[a-z0-9]+([_.-][a-z0-9]+)*@([a-z0-9]+([.-][a-z0-9]+)*)+.[a-z]{2,}$/i";

I'll have to look at that link a bit more in depth. I've seen some that had optional extensions. I'm just not all that great with regex stuff.

I think mine will do for the time being - but trying to eleminate the pbkac issues as much as possible.
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@ellisglauthorAug 08.2007 — er: that was for email: this is one i'm using:

$regex = "/^(?:([2-9]d{2}) ?|[2-9]d{2}(?:-?| ?))[2-9]d{2}[- ]?d{4}$/";
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@bokehAug 08.2007 — Doh!!

Here's my two cents. The only thing important about a telephone number is the digits so just remove the rest. Once you have just the digits it is so much easier to decide if the number is valid or not.

[code=php]$OnlyDigits = preg_replace('/[^d]/', '', $input);[/code]
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@ellisglauthorAug 09.2007 — Ah - a lot easier than I can deal with it with basic logic.
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