How to find out Chinese or Japanese Character in a String in Python?

Question

Such as:

str = \'sdf344asfasf天地方益3権sdfsdf\'

Add () to Chinese and Japanese Characters:

strAfterConvert = \'sdfasf         


        

Answer 1

If you can't use regex module that provides access to IsKatakana, IsHan properties as shown in @一二三's answer; you could use character ranges from @EvenLisle's answer with stdlib's re module:

>>> import re
>>> print(re.sub(u"([\u3300-\u33ff\ufe30-\ufe4f\uf900-\ufaff\U0002f800-\U0002fa1f\u30a0-\u30ff\u2e80-\u2eff\u4e00-\u9fff\u3400-\u4dbf\U00020000-\U0002a6df\U0002a700-\U0002b73f\U0002b740-\U0002b81f\U0002b820-\U0002ceaf]+)", r"(\1)", u'sdf344asfasf天地方益3権sdfsdf'))
sdf344asfasf(天地方益)3(権)sdfsdf

Beware of known issues.

You could also check Unicode category:

>>> import unicodedata
>>> unicodedata.category(u'天')
'Lo'
>>> unicodedata.category(u's')
'Ll'