判断字符串是否包含汉字/是否全是汉字

hanzi.py

# for python2
def is_hanzi(text):
    return all(u'\u4e00' <= char <= u'\u9fff' for char in text.decode('utf8'))


def has_hanzi(text):
    return any(u'\u4e00' <= char <= u'\u9fff' for char in text.decode('utf8'))


# for python3
def has_hanzi(text):
    return any('\u4e00' <= ch <= '\u9fff' for ch in text)