- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
- this date is not formatted correctly
<?php
$date_regex = '/(0[1-9]|[12][0-9]|3[01])\/(0[1-9]|1[012])\/(19|20)\d\d /';
$test_date = '22/03/2010';
if(preg_match($date_regex, $test_date)) {
echo 'this date is formatted correctly';
} else {
echo 'this date is not formatted correctly';
}