# encoding: UTF-8

require 'json'

class << JSON
  def parse_torelantly(s)
    parse(s.gsub(/\\u([[:xdigit:]]{4})([[:xdigit:]]{4})/) { "\\u#$1\\u#$2" })
  end
end

p JSON.parse_torelantly(<<'EOF')
{
  "wrong": "ABC\uD842DFB7\u91CE\u5C4BABC",
  "correct": "ABC\uD842\uDFB7\u91CE\u5C4BABC"
}
EOF
p JSON.parse(<<'EOF')
{
  "wrong": "ABC\uD842DFB7\u91CE\u5C4BABC",
  "correct": "ABC\uD842\uDFB7\u91CE\u5C4BABC"
}
EOF