'Divorces' in the Bible

“It was also said, Whoever divorces his wife must give her a written notice of divorce.

But I tell you, everyone who divorces his wife, except in a case of sexual immorality, causes her to commit adultery. And whoever marries a divorced woman commits adultery.

And I tell you, whoever divorces his wife, except for sexual immorality, and marries another, commits adultery.”