Character sets for positions
[A-PR-UWYZ]
[A-HK-Y]
[A-HJKS-UW]
[ABEHMNPRV-Y]
- AN
[A-PR-UWYZ][0-9]
- ANN
[A-PR-UWYZ][0-9]{2}
- AAN
[A-PR-UWYZ][A-HK-Y][0-9]
- AANN
[A-PR-UWYZ][A-HK-Y][0-9]{2}
- ANA
[A-PR-UWYZ][0-9][A-HJKS-UW]
- AANA
[A-PR-UWYZ][A-HK-Y][0-9][ABEHMNPRV-Y]
- AN
[A-PR-UWYZ][0-9]
- ANN
[A-PR-UWYZ][0-9][0-9]
- ANA
[A-PR-UWYZ][0-9][A-HJKS-UW]
- AAN
[A-PR-UWYZ][A-HK-Y][0-9]
- AANN
[A-PR-UWYZ][A-HK-Y][0-9][0-9]
- AANA
[A-PR-UWYZ][A-HK-Y][0-9][ABEHMNPRV-Y]
[A-PR-UWYZ][0-9]([0-9]|[A-HJKS-UW])?
[A-PR-UWYZ][A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y])?
[A-PR-UWYZ]([0-9]([0-9]|[A-HJKS-UW])?|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y])?)
[0-9]
[ABD-HJLNP-UW-Z]
[ABD-HJLNP-UW-Z]
\s[0-9][ABD-HJLNP-UW-Z]{2}
[A-PR-UWYZ]([0-9]([0-9]|[A-HJKS-UW])?|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y])?)\s[0-9][ABD-HJLNP-UW-Z]{2}
- GIR 0AA
(GIR 0AA|[A-PR-UWYZ](?:[0-9](?:[0-9]|[A-HJKS-UW])?|[A-HK-Y][0-9](?:[0-9]|[ABEHMNPRV-Y])?)\s[0-9][ABD-HJLNP-UW-Z]{2})