Difference between revisions of "Utf8.len"
From GiderosMobile
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(number) = utf8.len(s,i,j) | (number) = utf8.len(s,i,j) | ||
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The default for i is 1 and for j is -1. If it finds any invalid byte sequence, returns a false value plus the position of the first invalid byte. | The default for i is 1 and for j is -1. If it finds any invalid byte sequence, returns a false value plus the position of the first invalid byte. | ||
Latest revision as of 20:36, 1 December 2023
Available since: Gideros 2016.06
Class: utf8
Description
Returns the number of UTF-8 characters in string s that start between positions i and j (both inclusive).
(number) = utf8.len(s,i,j)
The default for i is 1 and for j is -1. If it finds any invalid byte sequence, returns a false value plus the position of the first invalid byte.
Parameters
s: (string) string
i: (number) start at position optional
j: (number) end at position optional
Return values
Returns (number) number of characters
Example
local str = "Hélène"
local str_length = utf8.len(str)
