Utf8.escape: Difference between revisions
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==Example== | ==Example== | ||
<section name="Server" class="server" show="true"> | <section name="Server" class="server" show="true"> | ||
This example escapes two byte-string literals to UTF-8 format by using the utf8.escape function. | |||
<syntaxhighlight lang="lua"> | <syntaxhighlight lang="lua"> | ||
local output = utf8.escape( "%123 %u123 %{123} %u{123} %xABC %x{ABC}" ) | local output = utf8.escape( "%123 %u123 %{123} %u{123} %xABC %x{ABC}" ) |
Revision as of 02:03, 15 February 2016
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 escaped UTF-8 characters from the original string.
Example
Click to collapse [-]
ServerThis example escapes two byte-string literals to UTF-8 format by using the utf8.escape function.
local output = utf8.escape( "%123 %u123 %{123} %u{123} %xABC %x{ABC}" ) print( output ) -- { { { { ઼ ઼ local output = utf8.escape( "%%123 %? %d %%u" ) print( output ) -- %123 ? d %u
See Also
Shared
- 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