- preg_match: documentation ( source)
- str_replace: documentation ( source)
<?php
$code = '**3';
$test_code = str_replace('*', '[0-9]{1}', $code);
echo 'test_code = '.$test_code."\n";
$course_filters = array('220','123');
if (!empty($course_filters)) {
foreach ($course_filters as $key => $code) {
preg_match('/'.$test_code.'/', $code, $matches);
if ($matches) {
echo "found = ".$code;
}
}
}