pobox-regex

A better, simple PO Box Filter that is built around real-world address problems.

The RegEx

/(?:P(?:ost(?:al)?)?[\.\-\s]*(?:(?:[O|0](?:ffice)?[\.\-\s]*)?B(?:ox|in|\b|\d)|[o|0](?:ffice|\b|\.)(?:[-\s]*\d)|code)|box[-\s\b]*\d)/i

Positive List

PO 123
P.O 123
P.O. 123
P. O. 123
PO Box 123
P O box 123
P. O. Box 123
P.O.Box 123
post box 123
post office box 123
post office 123
P.O.B 123
P.O.B. 123
Post Office Bin 123
Postal Code 123
Post Box #123
Postal Box 123
P.O. Box 123
PO. Box 123
P.o box 123
Pobox 123
pob 123
pob123
pobox123
p.o. Box123
po-box123
p.o.-box 123
PO-Box 123
p-o-box 123
p-o box 123
box 123
Box123
Box-123
P0 123
P.0 123
P.0. 123
P.0B 123
P.0.B 123
P.0.B. 123

Negative List

123 Box Turtle Circle, Sarasota, FL
123 Boxing Pass, San Antonio, TX
123 Poblano Lane, Edinburg, TX
123 P O Davis Drive, Auburn, AL
123 Postal Circle, Manitowish Waters, WI

Verification with PHP

Clone repo
composer install
phpunit

Credits

Some inspiration from Greg Ferrel.

Further Pointers

This project aims at a simple approach. You should look into address verification services If you need to identify bad street numbers, zip codes and other factors.