Python: any way to perform this “hybrid” split() on multi-lingual (e.g. Chinese & English) strings?

Question

I have strings that are multi-lingual consist of both languages that use whitespace as word separator (English, French, etc) and languages that don\'t (Chinese, Japanese, Korean

Answer 1

The following works for python3.7:

import re
def group_words(s):
    return re.findall(u'[\u4e00-\u9fff]|[a-zA-Z0-9]+', s)


if __name__ == "__main__":
    print(group_words(u"Testing English text"))
    print(group_words(u"我爱蟒蛇"))
    print(group_words(u"Testing English text我爱蟒蛇"))

['Testing', 'English', 'text']
['我', '爱', '蟒', '蛇']
['Testing', 'English', 'text', '我', '爱', '蟒', '蛇']

For some reason, I cannot adapt Glenn Maynard's answer to python3.