def _parse_trunk_native_vlan(self, config):
        match = re.search(r'switchport trunk native vlan (\d+)', config)
        return dict(trunk_native_vlan=match.group(1))
Scans the specified config and parse the trunk native vlan value
dataset/ETHPy150Open arista-eosplus/pyeapi/pyeapi/api/switchports.py/Switchports._parse_trunk_native_vlan