'According to the Law' in the Bible

And in the drawing nigh of the turn of each young woman to come in unto the king Ahasuerus, at the end of there being to her -- according to the law of the women -- twelve months, for so they fulfil the days of their purifications; six months with oil of myrrh, and six months with spices, and with the purifications of women,

And Esther saith, 'If to the king it be good, let it be given also to-morrow, to the Jews who are in Shushan, to do according to the law of to-day; and the ten sons of Haman they hang on the tree.'