France Value Added Tax (VAT) Number

\b[0-9]{11}\b

Matches an 11-digit number

1

\b[a-hA-Hj-nJ-Np-zP-Z][0-9]{10}\b

Matches a string. The first character begins with [a-z] or [A-Z] except 'I' or 'i' or 'O' or 'o' followed by 10-digit number.

1

\b[0-9][a-hA-Hj-nJ-Np-zP-Z][0-9]{9}\b

Matches an alphanumeric string that begins with a digit, followed by the second character that begins with [a-z] or [A-Z] except 'I' or 'i' or 'O' or 'o' further followed by 9 digits.

1

\b[a-hj-np-z]{2}[0-9]{9}\b

Matches a string that begins with two characters [a-z] except 'i' or 'o' followed by 9 digits.

1

\b[A-HJ-NP-Z]{2}[0-9]{9}\b*

Matches a string that begins with two characters [A-Z] except 'I' or 'O' followed by 9 digits.

1