Nebraska Revised Statutes Chapter 25. Courts; Civil Procedure § 25-801.01. Rules of pleading;  Supreme Court;  promulgate

(a) The rules of pleading promulgated by the Supreme Court shall apply;

(b) The plaintiff's initial pleading shall be a petition when that designation is provided elsewhere by statutes. In all other civil actions the plaintiff's initial pleading shall be a complaint;

(c) The cross-petition, cross-bill, and cross-suit are abolished. Demurrers to a pleading and special appearances shall not be used. The plea in bar, plea in abatement, and other dilatory pleas shall not be used in civil actions;  and

(d) All pleadings shall be construed as to do substantial justice.