Is there any restriction format for email parameter that being sent to Midtrans?

Yes, Midtrans validates customer email formats for certain payment methods such as Permata VA, CIMB Clicks, Telkomsel Cash, KlikBCA, Mandiri Ecash, and Indomaret.

We are using regex logic for this validation. Please focus on the value that is allowed by this logic, you can refer to the below explanation:

interface Constants {
String ATOM = "[a-z0-9!#$%&'*+/=?^_`{|}~-]";
String DOMAIN = "(" + ATOM + "+(\." + ATOM + "+)+";
String IP_DOMAIN = "\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\]";

String PATTERN =
"^$|^" + ATOM + "+(\." + ATOM + "+)*@"





ATOM is a combination of alphanumeric.
DOMAIN is a combination of DOT(".") and ATOM.
IP_DOMAIN is a combination of DOT(".") and numbers with a maximum length are 3.

Example :
The right PATTERN [email protected]
The wrong PATTERN [email protected]