$re = '/\"statusCode\":(?<statusCodeValue>[\d]*)/m';
$str = '||INFO||||Response:{"requestId:"369018b6-0fd4-11ee-be56-0242ac120002","headers":{"Content-Type":["application/json"]},"url":"https://sample-service.abcCompany.com","statusCode":200,"method":"POST","timeTaken":98,"body":{"..":"..","...":"..."}}';
preg_match_all($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