<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _filter(self, text):
 """Filter out the URL and email addresses."""


        if self.urls:
            text = RE_LINK.sub('', text)
        if self.emails:
            text = RE_MAIL.sub('', text)
        return text