Annotation Type Pattern

@Target(FIELD)
@Retention(RUNTIME)
public @interface Pattern

Annotation used to validate a string for given regEx pattern. By default, it doesn't have any value. Because of this a value

must

be supplied for usage. * Example usage: *

  * 
  * public class UserDto {
  *     @Pattern("^[\\w-\\.]+@([\\w-]+\\.)+[\\w-]{2,4}$")
  *     private String email;
  * }
  * 
  * 

Required Element Summary

Required Elements

Modifier and Type	Required Element	Description
String	value

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element	Description
String	message

Element Details

value

String value

message

String message

Default:

"Field must follow the pattern!"