Hidden Answer Formula
if(prop("Vowels"), replaceAll(prop("Answer"), "[^AaEeIiOoUu ]", "[]"), if(empty(prop("Reveal Full")), replaceAll(prop("Answer"), "[A-z0-9]", "[]"), if(prop("Reveal Full"), prop("Answer"), "")))
Correct Formula
if(prop("Override Correct") == true, true, if(prop("Answer") == prop("Type Answer"), true, false))