REgualr expressions help

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gemswebs

Hi all,

I want to create a php regex that will accept Egyptian phone numbers (a mobile number is 11 digits) ..

Egyptian phone numbers look like

0119799612
But it may be written in the following format :
011 97 99 612
011-97-99-612

Also a prefix of one of the following may be present and mayn't

02
202
+2

Can some help ?

MarPlo

Hi,
The numbers from your examples have 10 digits (not 11).
Try rthe regexp from this example:

$nr = '011-97-99-612';
$rgx = '/^(02|202|\+2){0,1}[0-9]{3}[ -]{0,1}[0-9]{2}[ -]{0,1}[0-9]{2}[ -]{0,1}[0-9]{3}$/';
if(preg_match($rgx, $nr, $m)) var_export($m);

gemswebs

The numbers from your examples have 10 digits (not 11).

Sorry , It was wrong ..

The right example is 11 digits : 01119799612

The regex you wrote will only match if the spaces and dashes are in the exact position as the example .. But this is not sure .. Spaces may be anywhere , It may look like : 0111 979 9618 , and may be 01 119 799 618

I mean, They are exactly 11 numbers (with or without prefix ) , With spaces and dashes may be put anywhere. .

NogDog

I would just strip out anything that is not a number. Then you can use strlen() to figure out how many digits there are.

$number = preg_replace('/\D/', '', $number);
if(strlen($number) != 11) {
  // invalid number
}

gemswebs

Thank you NogDog ,
But your code will not be so accurate ..

Wt if there is a prefix ?
Wt if there are spaces or dashes ??

gemswebs

Any help ?

NogDog

gemswebs;1278271 wrote:
Thank you NogDog ,
But your code will not be so accurate ..

Wt if there is a prefix ?

Then you need to explicitly define what the allowable string lengths are, and test in an "or" condition, add code to strip out the prefix is you don't actually need/want it, etc.

Wt if there are spaces or dashes ??

As I stated above, you first use preg_replace() to strip out any character that is not a number.