\b(((J|j)an(uary)?|JAN(UARY)?|(F|f)eb(ruary)?|FEB(RUARY)?|(M|m)ar(ch)?|MAR(CH)?|(A|a)pr(il)?|APR(IL)?|May|MAY|(J|j)un(e)?|JUN(E)?|(J|j)ul(y)?|JUL(Y)?|(A|a)ug(ust)?|AUG(UST)?|(S|s)ep(tember)?|SEP(TEMBER)?|SEPT|Sept|(O|o)ct(ober)?|OCT(OBER)?|(N|n)ov(ember)?|NOV(EMBER)?|(D|d)ec(ember)?|DEC(EMBER)?)|(F|f)all|(A|a)utumn|(S|s)pring|(W|w)inter|(S|s)ummer)(\-|\/|\:|\s|\,\s|\s\,|\.\s)\d{4}\b