'Regular' in the Bible

“This is the offering which Aaron and his sons are to present to the Lord on the day when he is anointed: the tenth of an ephah of fine flour as a regular grain offering, half of it in the morning and half of it in the evening.

‘When a woman has a discharge, if her bodily discharge is blood, she shall continue in her menstrual impurity for seven days; and whoever touches her shall be unclean until evening.

‘Now if a woman has a flow of blood for many days, not during the time of her menstruation, or if she has a discharge beyond that period, as long as the impure discharge continues she shall be as she is in the days of her [normal] menstrual impurity; she is unclean.

They may assist their brothers in the Tent of Meeting to keep an obligation, but they shall do no [heavy or difficult] work. Thus you shall deal with the Levites concerning their obligations.”

Now when it was each young woman’s turn to go before King Ahasuerus, after the end of her twelve months under the regulations for the women—for the days of their beautification were completed as follows: six months with oil of myrrh and six months with [sweet] spices and perfumes and the beauty preparations for women—

But if you want anything beyond this, it will be settled in the lawful assembly.

Now while they were trying to kill him, word came to the commander of the [Roman] garrison that all Jerusalem was in a state of upheaval.