Bug 7445, bug 7253: Handle Unicode escapes in regexps.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS cy("Re: Hello") is "Hello"
PASS cy("Ответ: Hello") is "Hello"
PASS regex.exec("24#Midnight").toString() is "24#Midnight,24,#,Midnight"
PASS successfullyParsed is true

TEST COMPLETE