$re = '/(?P<host>\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3})(\s-\s)(?P<user_name>[\w-]*)(\s\[)(?P<time>\w*\/\w*\/\d{1,4}:\d{1,2}:\d{1,2}:\d{1,2}\s-\d{1,4})(\]\s\")(?P<request>.*)(")/m';
$str = '146.204.224.152 - feest6811 [21/Jun/2019:15:45:24 -0700] "POST /incentivize HTTP/1.1" 302 4622
';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php