$re = '/\"orderId\":\"(?<orderId>[^\"]+)\"},\"error\":\{\"errorCode\":\"(?<errorCode>[^\"]+)\"/m';
$str = 'message: Send jms message [queue=SEP.TO.PEIN, statusCode=200, idempotencyId=b95d0d10-9709-4299-9d3e-8c65dd5a539d, processId=PE2400000582026, delivApp=null, message={"transactionItems":[{"itemId":"4f2170cd-35f6-4d03-b0fe-6ebbca6e00cb","status":"FAILED","accountIdentification":{"contractAccountNumber":{"branchCode":"0784","accountNumber":"0190595009","currencyCode":"INR"}}},{"itemId":"adea3dff-8e02-433e-a2ad-94bac828989b","status":"FAILED","accountIdentification":{"contractAccountNumber":{"branchCode":"0784","accountNumber":"0190595009","currencyCode":"INR"}}},{"itemId":"bf96b534-2150-4228-843f-9fb920a1f44f","status":"FAILED","accountIdentification":{"contractAccountNumber":{"branchCode":"0784","accountNumber":"0190595009","currencyCode":"INR"}}},{"itemId":"cb6e42ac-ee83-48b6-8213-7faf0311c6d0","status":"FAILED","accountIdentification":{"contractAccountNumber":{"branchCode":"0784","accountNumber":"0190595009","currencyCode":"INR"}}},{"itemId":"bdd8a76f-ddb4-4616-a793-68ddd72aad0e","status":"FAILED","accountIdentification":{"contractAccountNumber":{"branchCode":"0784","accountNumber":"0190595009","currencyCode":"INR"}}},{"itemId":"cb339f2a-ad85-410c-9043-275aa1e4fe17","status":"FAILED","accountIdentification":{"contractAccountNumber":{"branchCode":"0784","accountNumber":"0190595011","currencyCode":"INR"}}}],"orderStatusResponse":{"orderStatus":"ORDER_FAILURE","orderId":"b95d0d10-9709-4299-9d3e-8c65dd5a539d"},"error":{"errorCode":"SEP013","errorDescription":"Cannot find IDMS-0784 account by accNumber: 0190595009"}}]';
preg_match_all($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