<?php
"REGEXP_PHONE_NL",
"/(^\+[0-9]{2}|^\+[0-9]{2}\(0\)|^\(\+[0-9]{2}\)\(0\)|^00[0-9]{2}|^0)([0-9]{9}$|[0-9\-\s]{10}$)/");
$string = "+316123456789"; //based on solution given in http://stackoverflow.com/questions/17949757/regular-expression-for-dutch-phone-number
echo(
$string,
FILTER_VALIDATE_REGEXP,
"options" => array ("regexp" => REGEXP_PHONE_NL
) )
)
);
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