He said to his wife “anti qaaliq (which sounds like taaliq = divorced)” as a joke

He divorced her once but the official recorded it as three divorces

He divorced a woman by zihaar before the marriage contract was done with her, and he wants to marry her!

He said to his wife: If you contact so-and-so, then you are divorced, and I got in touch with her. Does the ban still apply?

He made her divorce conditional upon her disobeying him, and she disobeyed him concerning something that came before his making it conditional; does the divorce count as such?

He divorced her after the menstrual bleeding ceased and before she did ghusl

He gave her a conditional divorce that would become effective if she spoke to her sister’s husband, then she spoke to him without meaning to

Insinuating Whispers Suggesting Divorce a Day After Marriage

Revocable divorce, irrevocable divorce and the threefold divorce

If the husband says “I divorced my wife” but he is lying or does not intend divorce