How accurate do answers need to be for security questions? Are answers case snensitive? Is it possible for me to enter a regular expression as the answer so that several similar correct answers will work?
Who is the Head of State in Great Britain?
(([tT]he )?([Qq]ueen)|(([Qq]ueen )?,?[Ee]lizabeth ([tT]he [Ss]econd|2|II|Windsor))