Count the Number of Code Points
This function returns the number of code points in each string.
stri_length(str)
str |
character vector or an object coercible to |
Note that the number of code points is not the same as the 'width' of the string when printed on the console.
If a given string is in UTF-8 and has not been properly normalized
(e.g., by stri_trans_nfc), the returned counts may sometimes be
misleading. See stri_count_boundaries for a method to count
Unicode characters. Moreover, if an incorrect UTF-8 byte sequence
is detected, then a warning is generated and the corresponding output element
is set to NA, see also stri_enc_toutf8 for a method
to deal with such cases.
Missing values are handled properly. For 'byte' encodings we get, as usual, an error.
Returns an integer vector of the same length as str.
Other length:
stri_isempty(),
stri_numbytes(),
stri_width()
stri_length(LETTERS)
stri_length(c('abc', '123', '\u0105\u0104'))
stri_length('\u0105') # length is one, but...
stri_numbytes('\u0105') # 2 bytes are used
stri_numbytes(stri_trans_nfkd('\u0105')) # 3 bytes here but...
stri_length(stri_trans_nfkd('\u0105')) # ...two code points (!)
stri_count_boundaries(stri_trans_nfkd('\u0105'), type='character') # ...and one Unicode characterPlease choose more modern alternatives, such as Google Chrome or Mozilla Firefox.