$re = '/(\d+(?:\s*\w\b)?)[^\d]+\d{5}[^\d]+$/m';
$str = '32 Rue Jean Jaures 69000 Lyon
Bâtiment 1 32 Rue Jean Jaures 69000 Lyon
32 B Jean Jaures 69000 Lyon
Bâtiment 1 32 B Rue Jean Jaures 69000 Lyon';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php