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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def tag(self, text):
 """Retrieves list of regex_matches in text. Parameters text: Text The estnltk text object to search for events. Returns ------- list of matches """

        matches = self._match(text.text)
        matches = self._resolve_conflicts(matches)

        if self.return_layer:
            return matches
        else:
            text[self.layer_name] = matches