unescape(string,encoding=@@accept_charset)
public
URL-decode a string with encoding(optional).
string = CGI::unescape("%27Stop%21%27+said+Fred")
# File lib/cgi/util.rb, line 15
def CGI::unescape(string,encoding=@@accept_charset)
str=string.tr('+', ' ').force_encoding(Encoding::ASCII_8BIT).gsub(/((?:%[0-9a-fA-F]{2})+)/) do
[$1.delete('%')].pack('H*')
end.force_encoding(encoding)
str.valid_encoding? ? str : str.force_encoding(string.encoding)
end
