Regexp::Common::zip (3)

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NAME

Regexp::Common::zip -- provide regexes for postal codes.

SYNOPSIS

    use Regexp::Common qw /zip/;

    while (<>) {
        /^$RE{zip}{Netherlands}$/   and  print "Dutch postal code\n";
    }

DESCRIPTION

Please consult the manual of Regexp::Common for a general description of the works of this interface.

Do not use this module directly, but load it via Regexp::Common.

This module offers patterns for zip or postal codes of many different countries. They all have the form "$RE{zip}{Country}[{options}]".

The following common options are used:

{-prefix=[yes|no|allow]} and {-country=PAT}.

Postal codes can be prefixed with a country abbreviation. That is, a dutch postal code of 1234 can also be written as . By default, all the patterns will allow the prefixes. But this can be changed with the "-prefix" option. With "-prefix=yes", the returned pattern requires a country prefix, while "-prefix=no" disallows a prefix. Any argument that doesn't start with a "y" or a "n" allows a country prefix, but doesn't require them.

The prefixes used are, unfortunally, not always the same. Officially,

country codes need to be used, but the usage of codes (the same ones as used on cars) is common too. By default, each postal code will recognize a country prefix that's either the standard or the code. That is, German postal codes may prefixed with either "DE" or "D". The recognized prefix can be changed with the "-country" option, which takes a (sub)pattern as argument. The arguments "iso" and "cept" are special, and indicate the language prefix should be the country code, or the code.

Examples:
 /$RE{zip}{Netherlands}/;
           # Matches '1234 

' and ''.
 /$RE{zip}{Netherlands}{-prefix => 'no'}/;
           # Matches '1234 ' but not ''.
 /$RE{zip}{Netherlands}{-prefix => 'yes'}/;
           # Matches '' but not '1234 '.

 /$RE{zip}{Germany}/;
           # Matches 'DE-12345' and 'D-12345'.
 /$RE{zip}{Germany}{-country => 'iso'}/; 
           # Matches 'DE-12345' but not 'D-12345'.
 /$RE{zip}{Germany}{-country => 'cept'}/;
           # Matches 'D-12345' but not 'DE-12345'.
 /$RE{zip}{Germany}{-country => 'GER'}/;
           # Matches 'GER-12345'.

{-sep=PAT}

Some countries have postal codes that consist of two parts. Typically there is an official way of separating those parts; but in practise people tend to use different separators. For instance, if the official way to separate parts is to use a space, it happens that the space is left off. The "-sep" option can be given a pattern as argument which indicates what to use as a separator between the parts.

Examples:
 /$RE{zip}{Netherlands}/;
           # Matches '1234 

' but not '1234AB'.
 /$RE{zip}{Netherlands}{-sep => '\s*'}/;
           # Matches '1234 ' and '1234AB'.

$RE{zip}{Australia}

Returns a pattern that recognizes Australian postal codes. Australian postal codes consist of four digits; the first two digits, which range from '10' to '97', indicate the state. Territories use '02' or '08' as starting digits; the leading zero is optional. '0909' is the only postal code starting with '09' (the leading zero is optional here as well) - this is the postal code for the Nothern Territory University). The (optional) country prefixes are ( country code) and ( code). Regexp::Common 2.107 and before used $RE{zip}{Australia}. This is still supported.

If "{-keep}" is used, the following variables will be set:

$1

The entire postal code.

$2

The country code prefix.

$3

The postal code without the country prefix.

$4

The state or territory.

$5

The last two digits.

$RE{zip}{Belgium}

Returns a pattern than recognizes Belgian postal codes. Belgian postal codes consist of 4 digits, of which the first indicates the province. The (optional) country prefixes are ( country code) and B ( code).

If "{-keep}" is used, the following variables will be set:

$1

The entire postal code.

$2

The country code prefix.

$3

The postal code without the country prefix.

$4

The digit indicating the province.

$5

The last three digits of the postal code.

$RE{zip}{Denmark}

Returns a pattern that recognizes Danish postal codes. Danish postal codes consist of four numbers; the first digit (which cannot be 0), indicates the distribution region, the second the distribution district. The (optional) country prefix is , which is both the country code and the code.

If "{-keep}" is used, the following variables will be set:

$1

The entire postal code.

$2

The country code prefix.

$3

The postal code without the country prefix.

$4

The digit indicating the distribution region.

$5

The digit indicating the distribution district.

$6

The last two digits of the postal code.

$RE{zip}{France}

Returns a pattern that recognizes French postal codes. French postal codes consist of five numbers; the first two numbers, which range from '01' to '98', indicate the department. The (optional) country prefixes are ( country code) and F ( code). Regexp::Common 2.107 and before used $RE{zip}{French}. This is still supported.

If "{-keep}" is used, the following variables will be set:

$1

The entire postal code.

$2

The country code prefix.

$3

The postal code without the country prefix.

$4

The department.

$5

The last three digits.

$RE{zip}{Germany}

Returns a pattern that recognizes German postal codes. German postal codes consist of five numbers; the first number indicating the distribution zone, the second the distribution region, while the latter three indicate the distribution district and the postal town. The (optional) country prefixes are ( country code) and D ( code). Regexp::Common 2.107 and before used $RE{zip}{German}. This is still supported.

If "{-keep}" is used, the following variables will be set:

$1

The entire postal code.

$2

The country code prefix.

$3

The postal code without the country prefix.

$4

The distribution zone.

$5

The distribution region.

$6

The distribution district and postal town.

$RE{zip}{Greenland}

Returns a pattern that recognizes postal codes from Greenland. Greenland, being part of Denmark, uses Danish postal codes. All postal codes of Greenland start with 39. The (optional) country prefix is , which is both the country code and the code.

If "{-keep}" is used, the following variables will be set:

$1

The entire postal code.

$2

The country code prefix.

$3

The postal code without the country prefix.

$4

39, being the distribution region and distribution district for Greenland.

$5

The last two digits of the postal code.

$RE{zip}{Italy}

Returns a pattern recognizing Italian postal codes. Italian postal codes consist of 5 digits. The first digit indicates the region, the second the province. The third digit is odd for province capitals, and even for the province itself. The fourth digit indicates the route, and the fifth a place on the route (0 for small places, alphabetically for the rest).

The country prefix is either

(the country code), or I (the code).

If "{-keep}" is used, the following variables will be set:

$1

The entire postal code.

$2

The country code prefix.

$3

The postal code without the country prefix.

$4

The region.

$5

The province.

$6

Capital or province.

$7

The route.

$8

The place on the route.

$RE{zip}{Netherlands}

Returns a pattern that recognizes Dutch postal codes. Dutch postal codes consist of 4 digits and 2 letters, separated by a space. The separator can be changed using the "{-sep}" option, as discussed above. The (optional) country prefix is , which is both the country code and the code. Regexp::Common 2.107 and earlier used $RE{zip}{Dutch}. This is still supported.

If "{-keep}" is used, the following variables will be set:

$1

The entire postal code.

$2

The country code prefix.

$3

The postal code without the country prefix.

$4

The digits part of the postal code.

$5

The separator between the digits and the letters.

$6

The letters part of the postal code.

$RE{zip}{Norway}

Returns a pattern that recognizes Norwegian postal codes. Norwegian postal codes consist of four digits.

The country prefix is either

(the country code), or N (the code).

If "{-keep}" is used, the following variables will be set:

$1

The entire postal code.

$2

The country code prefix.

$3

The postal code without the country prefix.

$RE{zip}{Spain}

Returns a pattern that recognizes Spanish postal codes. Spanish postal codes consist of 5 digits. The first 2 indicate one of Spains fifties provinces (in alphabetical order), starting with 00. The third digit indicates a main city or the main delivery rounds. The last two digits are the delivery area, secondary delivery route or a link to rural areas.

The country prefix is either

(the country code), or E (the code).

If "{-keep}" is used, the following variables will be set:

$1

The entire postal code.

$2

The country code prefix.

$3

The postal code without the country prefix.

$4

The two digits indicating the province.

$5

The digit indicating the main city or main delivery route.

$6

The digits indicating the delivery area, secondary delivery route or a link to rural areas.

$RE{zip}{Switzerland}

Returns a pattern that recognizes Swiss postal codes. Swiss postal codes consist of 4 digits. The first indicates the district, starting with 1. The second indicates the area, the third, the route, and the fourth the post office number.

$RE{zip}{US}{-extended => [yes|no|allow]}

Returns a pattern that recognizes zip codes. zip codes consist of 5 digits, with an optional 4 digit extension. By default, extensions are allowed, but not required. This can be influenced by the "-extended" option. If its argument starts with a "y", extensions are required; if the argument starts with a "n", extensions will not be recognized. If an extension is used, a dash is used to separate the main part from the extension, but this can be changed with the "-sep" option.

The country prefix is either

(the country code), or (the code).

If "{-keep}" is being used, the following variables will be set:

$1

The entire postal code.

$2

The country code prefix.

$3

The postal code without the country prefix.

$4

The first 5 digits of the postal code.

$5

The first three digits of the postal code, indicating a sectional center or a large city. New in Regexp::Common 2.119.

$6

The last 2 digits of the 5 digit part of the postal code, indicating a post office facility or delivery area. New in Regexp::Common 2.119.

$7

The separator between the 5 digit part and the 4 digit part. Up to Regexp::Common 2.118, this used to be $5.

$8

The 4 digit part of the postal code (if any). Up to Regexp::Common 2.118, this used to be $6.

$9

The first two digits of the 4 digit part of the postal code, indicating a sector, or several blocks. New in Regexp::Common 2.119.

$10

The last two digits of the 4 digit part of the postal code, indicating a segment or one side of a street. New in Regexp::Common 2.119.

You need at least version 5.005_03 to be able to use

postal codes. Older versions contain a bug that let the pattern match invalid postal codes.

Questions

*

Can the 5 digit part of the zip code (in theory) start with 000?

*

Can the 5 digit part of the zip code (in theory) end with 00?

*

Can the 4 digit part of the zip code (in theory) start with 00?

*

Can the 4 digit part of the zip code (in theory) end with 00?

SEE ALSO

Regexp::Common for a general description of how to use this interface.

<www.columbia.edu/kermit/postal.html>

Frank's compulsive guide to postal addresses.

<www.upu.int/post_code/en/addressing_formats_guide.shtml>

Postal addressing systems.

<www.uni-koeln.de/~arcd2/33e.htm>

Postal code information.

<www.grcdi.nl/linkspc.htm>

Links to Postcode Pages.

<www1.auspost.com.au/postcodes>

Information about Australian postal codes.

<hdusps.esecurecare.net/cgi-bin/hdusps.cfg/php/enduser/std_adp.php?p_faqid=1014>

Information about

US

postal codes.

<en.wikipedia.org/wiki/Postal_code>

AUTHORS

Damian Conway (damian@conway.org) and Abigail (regexp-common@abigail.be).

MAINTAINANCE

This package is maintained by Abigail (regexp-common@abigail.be).

BUGS AND IRRITATIONS

Zip codes for most countries are missing. Send them in to regexp-common@abigail.be.

LICENSE and COPYRIGHT

This software is Copyright (c) 2001 - 2009, Damian Conway and Abigail.

This module is free software, and maybe used under any of the following licenses:

 1) The Perl Artistic License.     See the file COPYRIGHT.AL.
 2) The Perl Artistic License 2.0. See the file COPYRIGHT.AL2.
 3) The BSD Licence.               See the file COPYRIGHT.BSD.
 4) The MIT Licence.               See the file COPYRIGHT.MIT.