note 93043 added to function.preg-match

This is a function that uses regular expressions to match against the various VAT formats required across the EU. /** * @param integer $country Country name * @param integer $vat_number VAT number to test e.g. GB123 4567 89 * @return integer -1 if country not included OR 1 if the VAT Num matches for the country OR 0 if no match */ function checkVatNumber( $country, $vat_number ) { switch($country) { case 'Austria': $regex = '/^(AT){0,1}U[0-9]{8}$/i'; break; case 'Belgium': $regex = '/^(BE){0,1}[0]{0,1}[0-9]{9}$/i'; break; case 'Bulgaria': $regex = '/^(BG){0,1}[0-9]{9,10}$/i'; break; case 'Cyprus': $regex = '/^(CY){0,1}[0-9]{8}[A-Z]$/i'; break; case 'Czech Republic': $regex = '/^(CZ){0,1}[0-9]{8,10}$/i'; break; case 'Denmark': $regex = '/^(DK){0,1}([0-9]{2}[\ ]{0,1}){3}[0-9]{2}$/i'; break; case 'Estonia': case 'Germany': case 'Greece': case 'Portugal': $regex = '/^(EE|EL|DE|PT){0,1}[0-9]{9}$/i'; break; case 'France': $regex = '/^(FR){0,1}[0-9A-Z]{2}[\ ]{0,1}[0-9]{9}$/i'; break; case 'Finland': case 'Hungary': case 'Luxembourg': case 'Malta': case 'Slovenia': $regex = '/^(FI|HU|LU|MT|SI){0,1}[0-9]{8}$/i'; break; case 'Ireland': $regex = '/^(IE){0,1}[0-9][0-9A-Z\+\*][0-9]{5}[A-Z]$/i'; break; case 'Italy': case 'Latvia': $regex = '/^(IT|LV){0,1}[0-9]{11}$/i'; break; case 'Lithuania': $regex = '/^(LT){0,1}([0-9]{9}|[0-9]{12})$/i'; break; case 'Netherlands': $regex = '/^(NL){0,1}[0-9]{9}B[0-9]{2}$/i'; break; case 'Poland': case 'Slovakia': $regex = '/^(PL|SK){0,1}[0-9]{10}$/i'; break; case 'Romania': $regex = '/^(RO){0,1}[0-9]{2,10}$/i'; break; case 'Sweden': $regex = '/^(SE){0,1}[0-9]{12}$/i'; break; case 'Spain': $regex = '/^(ES){0,1}([0-9A-Z][0-9]{7}[A-Z])|([A-Z][0-9]{7}[0-9A-Z])$/i'; break; case 'United Kingdom': $regex = '/^(GB){0,1}([1-9][0-9]{2}[\ ]{0,1}[0-9]{4}[\ ]{0,1}[0-9]{2})|([1-9][0-9]{2}[\ ]{0,1}[0-9]{4}[\ ]{0,1}[0-9]{2}[\ ]{0,1}[0-9]{3})|((GD|HA)[0-9]{3})$/i'; break; default: return -1; break; } return preg_match($regex, $vat_number); } ---- Server IP: 92.48.74.199 Probable Submitter: 80.177.39.98 ---- Manual Page -- http://www.php.net/manual/en/function.preg-match.php Edit -- https://master.php.net/note/edit/93043 Del: integrated -- https://master.php.net/note/delete/93043/integrated Del: useless -- https://master.php.net/note/delete/93043/useless Del: bad code -- https://master.php.net/note/delete/93043/bad+code Del: spam -- https://master.php.net/note/delete/93043/spam Del: non-english -- https://master.php.net/note/delete/93043/non-english Del: in docs -- https://master.php.net/note/delete/93043/in+docs Del: other reasons-- https://master.php.net/note/delete/93043 Reject -- https://master.php.net/note/reject/93043 Search -- https://master.php.net/manage/user-notes.php