- if (!username.getText().matches(UserAdminService.USERNAME_PATTERN))
- return "Wrong user name format, should be lower case, between 3 and 15 characters with only '_' as acceptable special character.";
+// if (!username.getText().matches(UserAdminService.USERNAME_PATTERN))
+// return "Wrong user name format, should be lower case, between 3 and 64 characters with only '_' an '@' as acceptable special character.";