# encoding: UTF-8
class String
  # url encoding special characters
  def url_enc_signs
    encode_signs = {'+' => "%2B", '=' => "%3D", '?' => '%3F', '@' => '%40',
      '$' => '%24', '&' => '%26', ',' => '%2C', '/' => '%2F', ':' => '%3A',
      ';' => '%3B', '?' => '%3F'}
    string_t = self
    encode_signs.keys.each do |key|
      string_t.gsub!(key, encode_signs[key])
    end
    return string_t
  end
end