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9 changes: 8 additions & 1 deletion src/Validator.php
Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,13 @@ public function validateIpAddress(string $ipAddress): bool
return (bool) filter_var($ipAddress, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE);
}

public function hasSupportedCountryPrefix(string $vatNumber): bool
{
$country = substr($vatNumber, 0, 2);

return isset($this->patterns[$country]);
}

/**
* Validate a VAT number format. This does not check whether the VAT number was really issued.
*
Expand All @@ -105,7 +112,7 @@ public function validateVatNumberFormat(string $vatNumber): bool
$number = substr($vatNumber, 2);

if (! isset($this->patterns[$country])) {
return false;
throw new \InvalidArgumentException('The vat country prefix is not supported.');
}

return preg_match('/^' . $this->patterns[$country] . '$/', $number) > 0;
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8 changes: 0 additions & 8 deletions tests/ValidatorTest.php
Original file line number Diff line number Diff line change
Expand Up @@ -96,14 +96,6 @@ public function testValidateVatNumberFormat()
'SI1234567',
'SK123456789',

// valid number but with prefix
'invalid_prefix_GB999999973',
'invalid_prefix_IE1234567X',
'invalid_prefix_ESB1234567C',
'invalid_prefix_BE0123456789',
'invalid_prefix_MT12345678',
'invalid_prefix_LT123456789',

// valid number but with suffix
'IE1234567X_invalid_suffix',
'ESB1234567C_invalid_suffix',
Expand Down