Mega Code Archive
Detecting ZIP Codes in Strings
<![CDATA[
<?php
function detect_zipcode($string) {
return preg_match('/\b\d{5}(-\d{4})?\b/', $string);
}
echo '<pre>';
if (detect_zipcode('MD 11101-3883')) {
echo "Test 1: true\n";
}
if (detect_zipcode('The zipcode 26623 is the area in which I grew up.')) {
echo "Test 2: true\n";
}
if (detect_zipcode('The Phone Number is 301-555-1212')) {
echo "Test 3: true\n";
}
if (detect_zipcode('426969-313109')) {
echo "Test 4: true\n";
}
echo '</pre>';
?>
]]>