【Python小随笔】输入字符串，检测出中文

def fine_word(text_raw):
    """

    :param text_raw: 文本
    :return: 返回中文字符串
    """
    text = ""
    regStr = ".*?([\u4E00-\u9FA5]+).*?"
    re_text = re.findall(regStr, text_raw)
    if re_text:
        for res in re_text:
            text = text + res
    return text