<?php
$re = '/ ([A-Z ]+)$/m';
$str = '147 Boulevard Vauban80101 ABBEVILLE
80 rue Henri Dunant94480 ABLON SUR SEINE
3465 route Eguilles13090 AIX EN PROVENCE
147A Boulevard Vauban80101 ABBEVILLE';
// Print the entire match result
PD9waHAKCiRyZSA9ICcvIChbQS1aIF0rKSQvbSc7CiRzdHIgPSAnMTQ3IEJvdWxldmFyZCBWYXViYW44MDEwMSBBQkJFVklMTEUKODAgcnVlIEhlbnJpIER1bmFudDk0NDgwIEFCTE9OIFNVUiBTRUlORQozNDY1IHJvdXRlIEVndWlsbGVzMTMwOTAgQUlYIEVOIFBST1ZFTkNFCjE0N0EgQm91bGV2YXJkIFZhdWJhbjgwMTAxIEFCQkVWSUxMRSc7CgpwcmVnX21hdGNoX2FsbCgkcmUsICRzdHIsICRtYXRjaGVzKTsKCi8vIFByaW50IHRoZSBlbnRpcmUgbWF0Y2ggcmVzdWx0CnZhcl9kdW1wKCRtYXRjaGVzWzFdKTsK