'A regular expression pattern to parse ID Codes (QR codes),
None to disable ID code parsing
Should return the following groups:
label                   the PE label, mandatory
family                  the PE label of the head of family, optional
first_name              optional
last_name               optional
date_of_birth           optional
Example:
"(?P<label>[^,]*),(?P<first_name>[^,]*),(?P<last_name>[^,]*),(?P<date_of_birth>[^,]*)"'

def get_dvr_id_code_pattern(self):

    return self.dvr.get('id_code_pattern', None)
