CGI::Util#escapeURIComponent

escapeURIComponent(string)

# File tmp/rubies/ruby-3.4.1/lib/cgi/util.rb, line 41
def escapeURIComponent(string)
  encoding = string.encoding
  buffer = string.b
  buffer.gsub!(/([^a-zA-Z0-9_.\-~]+)/) do |m|
    '%' + m.unpack('H2' * m.bytesize).join('%').upcase
  end
  buffer.force_encoding(encoding)
end

URL-encode a string following RFC 3986 Space characters (+“ ”+) are encoded with (+“%20”+)

Example

url_encoded_string = CGI.escapeURIComponent("'Stop!' said Fred")
   # => "%27Stop%21%27%20said%20Fred"

See also #escape_uri_component #h #escapeHTML #pretty also in 3.3 · 3.2 · 3.1

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