User Guide

URLDecode 729
URLDecode
Description
Decodes a URL-encoded string.
Returns
A copy of a string, decoded.
Category
Conversion functions, Other functions, String functions
Function syntax
URLDecode(urlEncodedString[, charset])
See also
URLEncodedFormat
History
ColdFusion MX 6.1: Changed the default charset: the default charset is the character encoding of
the URL scope.
ColdFusion MX:
• Changed Unicode support: ColdFusion supports the Java UCS-2 representation of Unicode
character values 0–65535. (Earlier releases supported ASCII values.)
• Added the charset parameter.
Parameters
Usage
URL encoding formats some characters with a percent sign and the two-character hexadecimal
representation of the character. For example, a character whose code is 129 is encoded as
%81. A
space is encoded with a plus sign.
Parameter Description
urlEncodedString URL-encoded string or a variable that contains one.
charset The character encoding in which the URL is encoded. Optional.
The following list includes commonly used values:
• utf-8
• iso-8859-1
• windows-1252
• us-ascii
• shift_jis
• iso-2022-jp
• euc-jp
• euc-kr
• big5
• euc-cn
• utf-16
For more information on character encoding, see:
www.w3.org/International/O-charset.html.
Default: the character encoding of the URL scope. See SetEncoding
on page 674.