问题
There are multibyte string functions in PHP to handle multibyte string (e.g:CJK script). For example, I want to count how many letters in a multi bytes string by using len function in python, but it return an inaccurate result (i.e number of bytes in this string)
japanese = "桜の花びらたち"
print japanese
print len(japanese)#return 21 instead of 7
Is there any package or function like mb_strlen in PHP?
回答1:
Use Unicode strings:
# Encoding: UTF-8
japanese = u"桜の花びらたち"
print japanese
print len(japanese)
Note the u in front of the string.
To convert a bytestring into Unicode, use decode: "桜の花びらたち".decode('utf-8')
回答2:
Try converting it to unicode first:
print len(japanese.decode("utf-8"))
gives 7. You are working on the utf-8 encoded string, which indeed has 21 bytes.
来源：https://stackoverflow.com/questions/8346608/how-to-handle-multibyte-string-in-python