note 94889 deleted from function.preg-match by danbrown

Note Submitter: Anonymous ---- <?php /** * @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( $vat_number ) { switch(strtoupper(substr($vat_number,0, 2))) { case 'AT': $regex = '/^(AT){0,1}U[0-9]{8}$/i'; break; case 'BE': $regex = '/^(BE){0,1}[0]{0,1}[0-9]{9}$/i'; break; case 'BG': $regex = '/^(BG){0,1}[0-9]{9,10}$/i'; break; case 'CY': $regex = '/^(CY){0,1}[0-9]{8}[A-Z]$/i'; break; case 'CZ': $regex = '/^(CZ){0,1}[0-9]{8,10}$/i'; break; case 'DK': $regex = '/^(DK){0,1}([0-9]{2}[\ ]{0,1}){3}[0-9]{2}$/i'; break; case 'EE': case 'DE': case 'PT': case 'EL': $regex = '/^(EE|EL|DE|PT){0,1}[0-9]{9}$/i'; break; case 'FR': $regex = '/^(FR){0,1}[0-9A-Z]{2}[\ ]{0,1}[0-9]{9}$/i'; break; case 'FI': case 'HU': case 'LU': case 'MT': case 'SI': $regex = '/^(FI|HU|LU|MT|SI){0,1}[0-9]{8}$/i'; break; case 'IE': $regex = '/^(IE){0,1}[0-9][0-9A-Z\+\*][0-9]{5}[A-Z]$/i'; break; case 'IT': case 'LV': $regex = '/^(IT|LV){0,1}[0-9]{11}$/i'; break; case 'LT': $regex = '/^(LT){0,1}([0-9]{9}|[0-9]{12})$/i'; break; case 'NL': $regex = '/^(NL){0,1}[0-9]{9}B[0-9]{2}$/i'; break; case 'PL': case 'SK': $regex = '/^(PL|SK){0,1}[0-9]{10}$/i'; break; case 'RO': $regex = '/^(RO){0,1}[0-9]{2,10}$/i'; break; case 'SE': $regex = '/^(SE){0,1}[0-9]{12}$/i'; break; case 'ES': $regex = '/^(ES){0,1}([0-9A-Z][0-9]{7}[A-Z])|([A-Z][0-9]{7}[0-9A-Z])$/i'; break; case 'GB': $regex = '/^(GB){0,1}([1-9][0-9]{2}[\ ]{0,1}[0-9]{4}[\ ]{0,1}[0-9]{2})|([1-9][0-9]{2}[\ ]{0,1}[0-9]{4}[\ ]{0,1}[0-9]{2}[\ ]{0,1}[0-9]{3})|((GD|HA)[0-9]{3})$/i'; break; default: return -1; break; } return preg_match($regex, $vat_number); } ?>