Australian Full National Number (FNN)

\b(0[2378]|\(0[2378]\)|\+61[2378]) ?\d{4}[- ]?\d{4}\b

Matches a 10-digit number of the following format, the first two digits are the area code followed by the number delimited by hyphen:

1

\b04\d{2}-\d{3}-\d{3}\b

Matches a 10-digit number of the format 04NN-NNN-NNN delimited by hyphen.

1

\b(0|\+61 )4\d{2} \d{3} \d{3}\b

Matches a 10-digit number of the following format, the first two digits are the area code followed by the number delimited by space:

1

\b(0|\+61)4\d{8}\b

Matches a 10-digit number of the following format, the first two digits are the area code followed by the number without a delimiter:

1