@Pattern annotation

Action

Checks that the value conforms to a specified pattern. Null values are considered incorrect always.

Javadoc Ref : @Pattern

Input Types ¹	Object
Output Types	Object

¹Automatic conversion will take place if the provided input does not match any of the input classes, as described in the conversions part of the manual.

Arguments

value	Pattern to check
message	Literal message to use if validation fails.
errorCode	Error code to use if validation fails.
messageKey	Message key to use if validation fails.

Example

@Pattern("abc*def")
private String field1;