Utf8.escape

Escapes a string to a UTF-8 format string. It supports several escape formats:

• %ddd: where ddd is a decimal number with variable length
• %{ddd}: same as above, but enclosed in brackets
• %uddd: same as %ddd, 'u' stands for unicode
• %u{ddd}: same as above, but enclosed in brackets
• %xhhh: hexadigit version of %ddd
• %x{hhh}: same as above, but enclosed in brackets
• %?: where '?' stands for any other character to be escaped

Syntax

string utf8.escape ( string input )

Required Arguments

• input: A string character sequence

Returns

Returns a string containing the UTF-8 characters from the original string.

Example

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Server

local output = utf8.escape("%123 %u123 %{123} %u{123} %xABC %x{ABC}")
print( output ) -- { { { { ઼ ઼

See Also

• utf8.byte
• utf8.char
• utf8.charpos
• utf8.escape
• utf8.find
• utf8.fold
• utf8.gmatch
• utf8.gsub
• utf8.insert
• utf8.len
• utf8.lower
• utf8.match
• utf8.ncasecmp
• utf8.next
• utf8.remove
• utf8.reverse
• utf8.sub
• utf8.title
• utf8.upper
• utf8.width
• utf8.widthindex