Difference between revisions of "Utf8.len"
From GiderosMobile
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=== <translate>Description</translate> === | === <translate>Description</translate> === | ||
<translate>Returns the number of UTF-8 characters in string s that start between positions i and j (both inclusive). 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.</translate> | <translate>Returns the number of UTF-8 characters in string s that start between positions i and j (both inclusive). 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.</translate> | ||
| − | < | + | <syntaxhighlight lang="lua"> |
(number) = utf8.len(s,i,j) | (number) = utf8.len(s,i,j) | ||
</source> | </source> | ||
Revision as of 14:32, 13 July 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). 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. <syntaxhighlight lang="lua"> (number) = utf8.len(s,i,j) </source>
Parameters
s: (string)
i: (number) optional
j: (number) optional
Return values
Returns (number) number of characters
