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==Postal Codes==codes, known as ZIP codes in the U.S., vary by national jurisdiction and for historical reasons. The [http://www.edegan.com/repository/PostalCodes.pm PostalCodes.pm] perl module provides a method to extract a postcode from a text string for a large number of ISO3166 codes.
Postal codes, known as ZIP codes in the U.S., vary by national jurisdiction and for historical reasons. The following postal codes formats are posted for reference, as are some simple regular expressions that should safely match most variants:
The Match::PostalCodes.pm perl module provides a method to extract a postcode from a text string for a given ISO3166 code. The simple regular expressions listed above are not used verbatim, as more sophisticed techniques can be employed on per country basis.
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*This page is part of a series under the [[NBER Patent Data |NBER Patent Data Project]]
**This page is referenced by the page [[Geocoding Inventor Locations]]
*Australia: ([http://en.wikipedia.org/wiki/Postcodes_in_australia Sourced from Wikipedia]): NNNN where N is a numeric. Australian postcodes should appear at the end of addresses, and are frequently preceded by the acronym for the territory/state (specifically: NSW, ACT, VIC, QLD, SA, WA, TAS, and NT). In the patent data variations include: NNNN, AU-NNNN, XXX NNNN, Xxx. NNNN X.X.X. NNNN, XXXNNNN, where XXX indicate the two or three characters of the acronym.
*United Kingdom ([http://en.wikipedia.org/wiki/UK_postcodes Sourced from Wikipedia]): A9 9AA, A99 9AA, A9A 9AA, AA9 9AA, AA99 9AA, AA9A 9AA.
**Simple Regex: <tt>([A-Z]{1,2}[0-9]{1,2}[A-Z]{0,1}\s[0-9][A-Z]{2,2})</tt>
