instance method
CGI::Escape#unescapeURIComponent
(::string) -> ::String
unescapeURIComponent(string, encoding = @@accept_charset)
lib/cgi/escape.rb
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# File tmp/rubies/ruby-4.0.0/lib/cgi/escape.rb, line 68
def unescapeURIComponent(string, encoding = @@accept_charset)
str = string.b
str.gsub!(/((?:%[0-9a-fA-F]{2})+)/) do |m|
[m.delete('%')].pack('H*')
end
str.force_encoding(encoding)
str.valid_encoding? ? str : str.force_encoding(string.encoding)
end
URL-decode a string following RFC 3986 with encoding(optional).
Example
string = CGI.unescapeURIComponent("%27Stop%21%27+said%20Fred") # => "'Stop!'+said Fred"