Utf8.upper

Available since: Gideros 2016.06
Class: utf8

Description

Receives a string and returns a copy of this string with all lowercase letters changed to uppercase. All other characters are left unchanged. The definition of what a lowercase letter is depends on the current locale. <syntaxhighlight lang="lua"> (string) = utf8.upper(s) </source>

Parameters

s: (string)

Return values

Returns (string) string in upper case

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• Utf8
• Utf8.byte
• Utf8.char
• Utf8.charpattern
• Utf8.charpos
• Utf8.codepoint
• Utf8.codes
• Utf8.escape
• Utf8.find
• Utf8.fold
• Utf8.gmatch
• Utf8.gsub
• Utf8.insert
• Utf8.len
• Utf8.lower
• Utf8.match
• Utf8.ncasecmp
• Utf8.next
• Utf8.offset
• Utf8.remove
• Utf8.reverse
• Utf8.sub
• Utf8.title
• Utf8.upper
• Utf8.width
• Utf8.widthindex

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