def _clear(self, storage, regex):
        r = re.compile(regex)
        for (key, value) in storage.items():
            if r.match(str(key)):
                del storage[key]
Destructor -- close the connection.
dataset/ETHPy150Open uwdata/termite-visualizations/web2py/gluon/cache.py/CacheAbstract._clear--crossover with--dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/telnetlib.py/Telnet.__del__