URI.escape(str [, unsafe])
str
String to replaces in.
unsafe
Regexp that matches all symbols that must be replaced with codes. By
default uses REGEXP::UNSAFE
. When this argument is a String,
it represents a character set.
Escapes the string, replacing all unsafe characters with codes.
require 'uri' enc_uri = URI.escape("http://example.com/?a=\11\15") p enc_uri # => "http://example.com/?a=%09%0D" p URI.unescape(enc_uri) # => "http://example.com/?a=\t\r" p URI.escape("@?@!", "!?") # => "@%3F@%21"
# File uri/common.rb, line 284 def escape(str, unsafe = UNSAFE) unless unsafe.kind_of?(Regexp) # perhaps unsafe is String object unsafe = Regexp.new("[#{Regexp.quote(unsafe)}]", false, 'N') end str.gsub(unsafe) do |us| tmp = '' us.each_byte do |uc| tmp << sprintf('%%%02X', uc) end tmp end end
URI.unescape(str)
str
Unescapes the string.
require 'uri' enc_uri = URI.escape("http://example.com/?a=\11\15") p enc_uri # => "http://example.com/?a=%09%0D" p URI.unescape(enc_uri) # => "http://example.com/?a=\t\r"
# File uri/common.rb, line 319 def unescape(str) str.gsub(ESCAPED) do $&[1,2].hex.chr end end