Regular Expressions adres formaten

<?php

echo '<h3>Array</h3>';

$haystack = array("Rodekruislaan 23",
"2e Rodekruislaan 23",
"2e Rode Kruislaan 23",
"Rodekruislaan 23 B",
"2e Rodekruislaan 23 B",
"2e Rode Kruis Laan 23 B",
"Rodekruislaan 23/C",
"2e Rodekruislaan 23/C",
"Rodekruislaan 23C 001",
"2e Rodekruislaan 23C 001",
"Rodekruislaan 23 C 001",
"Rodekruislaan 23 C 001B");

echo '<pre>';
print_r($haystack);
echo '</pre>';

echo '<h3>Output Array na preg_match</h3>';

$output = array();

for($x = 0; $x < count($haystack); $x++) {

	preg_match("/^(.+)\s(\d+)\s?(.?)(.*)?/", $haystack[$x], $output_array);

	if(count($output_array) > 0) {
		$output[] = $output_array;
	}

}

echo '<pre>';
print_r($output);
echo '</pre>';

echo '<h3>Netjes geprint</h3>';

for($i = 0; $i < count($output); $i++) {
	for($x = 0; $x < count($output[$i]); $x++) {
		echo ' {' . $output[$i][$x] . '} ';
	}
	echo "<br>";
}

?>

preg_match("/^(.+)\s(\d+)\s?(.?)\s?(.*)?/", $haystack[$x], $output_array);

<?php
/**
 * @param string $address
 * @return array
 */
function getAddressArray($address)
{
    $address = trim($address);
    $street = $address;
    $home_number_extension = '';
 
    $home_number = substr($address, -11);
    $max = strlen($home_number);

    for ($i=0; $i < $max; $i++) {
        if (is_numeric($home_number{$i})) {
            $home_number = substr($address, -$max + $i);
            $street = substr($address, 0, strlen($address) - $max + $i);
            break;
        }
    }

    if ($i == $max) {
        $home_number = '';
        $home_number_extension = '';
    }

    for ($i = 0; $i < strlen($home_number); $i++) {
        if (!is_numeric($home_number{$i})) {
            $home_number_extension = substr($home_number, $i);
            $home_number = substr($home_number, 0, $i);
            break;
        }
    }

    return array(trim($street), trim($home_number), trim($home_number_extension));
}

// Test cases
$cases = array(
    'Rodekruislaan 23',
    '2e Rodekruislaan 23',
    '2e Rode Kruislaan 23',
    'Rodekruislaan 23 B',
    '2e Rodekruislaan 23 B',
    '2e Rode Kruis Laan 23 B',
    'Rodekruislaan 23/C',
    '2e Rodekruislaan 23/C',
    'Rodekruislaan 23C 001',
    '2e Rodekruislaan 23C 001',
    'Rodekruislaan 23 C 001',
    'Rodekruislaan 23 C 001B',
);

// Test
echo '<pre>';
foreach ($cases as $case) {
    var_dump($case);
    var_dump(getAddressArray($case));
}
?>