human
I wrote the below code

    def regexp(expr, item):
        reg = re.compile(expr)
        return (reg.search(six.text_type(item)) is not None)
    dbapi_con.create_function('regexp', 2, regexp)

What's a good function header?

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Here's a good function header?
assistant
#Here's a good function header.

def _add_regexp_listener(dbapi_con, con_record):