StreetAddress

Usage:

StreetAddress::US.parse("1600 Pennsylvania Ave, washington, dc")

Valid Address Formats

1600 Pennsylvania Ave Washington DC 20006
1600 Pennsylvania Ave #400, Washington, DC, 20006
1600 Pennsylvania Ave Washington, DC
1600 Pennsylvania Ave #400 Washington DC
1600 Pennsylvania Ave, 20006
1600 Pennsylvania Ave #400, 20006
1600 Pennsylvania Ave 20006
1600 Pennsylvania Ave #400 20006

Valid Intersection Formats

Hollywood & Vine, Los Angeles, CA
Hollywood Blvd and Vine St, Los Angeles, CA
Mission Street at Valencia Street, San Francisco, CA
Hollywood & Vine, Los Angeles, CA, 90028
Hollywood Blvd and Vine St, Los Angeles, CA, 90028
Mission Street at Valencia Street, San Francisco, CA, 90028

License

Copyright (c) 2007 Riderway (Derrek Long, Nicholas Schlueter)

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Notes

If parts of the address are omitted from the original string 
the accessor will be nil in StreetAddress::US::Address.

Example:
address = StreetAddress::US.parse("1600 Pennsylvania Ave, washington, dc")
assert address.postal_code.nil?

Acknowledgements

This gem is a near direct port of the perl module Geo::StreetAddress::US
originally written by Schuyler D. Erle.  For more information see
http://search.cpan.org/~sderle/Geo-StreetAddress-US-0.99/