Utf8

Supported platforms:
Available since: Gideros 2016.06

Description

utf8 string library.

Methods utf8.byte returns the internal numerical codes of the characters utf8.char returns a string from integers as characters utf8.charpos converts UTF-8 position to byte offset utf8.codepoint returns the codepoints (as integers) from all characters utf8.codes returns code values over all characters in a string utf8.escape escapes a str to UTF-8 format string utf8.find looks for the first match of pattern in the string s utf8.fold converts UTF-8 string s to folded case used to compare by ignore case utf8.gmatch returns an iterator function utf8.gsub returns a copy of s in which all (or the first n, if given) occurrences of the pattern have been replaced utf8.insert inserts a substring to s utf8.len returns the number of UTF-8 characters in string utf8.lower receives a string and returns a copy of this string with all uppercase letters changed to lowercase utf8.match looks for the first match of pattern in the string s utf8.ncasecmp compares a and b without case utf8.next iterates through the UTF-8 string s utf8.offset returns the position (in bytes) where the encoding of the n-th character of s starts utf8.remove deletes a substring in s utf8.reverse returns a string that is the string s reversed utf8.sub returns the substring of s that starts at i and continues until j utf8.title converts UTF-8 string s to title case used to compare by ignore case utf8.upper receives a string and returns a copy of this string with all lowercase letters changed to uppercase utf8.width calculates the width of UTF-8 string s utf8.widthindex returns the character index at given location in string s

Events Constants utf8.charpattern utf8 char pattern [\0-\x7F\xC2-\xF4][\x80-\xBF]*

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