Australian Company Number

\b\d{3}\.\d{3}\.\d{3}\b

Matches a 9-digit number delimited by dot.

1

\b\d{3}-\d{3}-\d{3}\b

Matches a 9-digit number delimited by hyphen.

1

\b\d{3} \d{3} \d{3}\b

Matches a 9-digit number delimited by space.

1

\b\d{9}\b

Matches a 9-digit number without a delimiter.

1