US Individual Taxpayer Identification Number (ITIN)

\b9[0-9]{2}[7-8][0-9]{5}\b

Matches a 9-digit number of the format NNNNNNNNN without a delimiter, where the first digit is 9 and the 4th digit is 7 or 8.

1

\b9[0-9]{2}-[7-8][0-9]-[0-9]{4}\b

Matches a 9-digit number of the format NNN-NN-NNNN delimited by hyphen that starts with 9 and the 4th digit is 7 or 8.

1

\b9[0-9]{2} [7-8][0-9] [0-9]{4}\b

Matches a 9-digit number of the format NNN NN NNNN delimited by space, where the first digit is 9 and the 4th digit is 7 or 8.

1

\b9[0-9]{2}\.[7-8][0-9]\.[0-9]{4}\b

Matches a 9-digit number of the format NNN.NN.NNNN delimited by dot, where the first digit is 9 and the 4th digit is 7 or 8.

1