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run code in 150+ php & hhvm versions
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<?php $code = '8**'; $test_code = str_replace('*', '[0,9]{1}', $code); echo 'test_code = '.$test_code; $course_filters = array('200','877'); if (!empty($course_filters)) { foreach ($course_filters as $key => $code) { preg_match("/".$test_code."/", $code, $matches); if ($matches) { echo "found = ".$code; } } }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
test_code = 8[0,9]{1}[0,9]{1}