The term regular can mean normal or obeying rules. Regular may refer to:

In organizations:

• Regular Army for usage in the U. The Regular Army is a name given to the permanent force of a country's army that is maintained during peacetime S. Army
• Regular Force for usage in the Canadian Forces
• Regular Masonic jurisdictions, or regularity, refers to the constitutional mechanism by which Freemasonry Grand Lodges or Grand Orients give one another mutual recognition. In the Canadian Forces, a Regular Force unit or person is part of the full-time military as opposed to being part of the Primary Reserve. See also Freemasonry This article deals with organization in Craft or Blue Lodge Freemasonry.

In mathematics, geometry, and statistics:

• Regular polygon, a polygon where all angles and all sides are equal
• Regular polyhedron, a 3-dimensional equivalent to a regular polygon
• Regular category, a kind of category that has similarities to both Abelian categories and to the category of sets
• Regular prime, a certain kind of prime number
• Regular graph, a graph such that all the degrees of the vertices are equal
• Regular cardinal, a cardinal number that is equal to its cofinality
• Regular space, a topological space in which a point and a closed set can be separated by neighbourhoods
• Regularity, the degree of differentiability of a Smooth function
• Regularity, a necessary condition in Fisher information and in finding the Cramer-Rao Lower Bound
• Axiom of Regularity, also called the Axiom of Foundation, an axiom of set theory asserting the non-existence of certain infinite chains of sets

In other uses:

• Regular character, a main character who appears more frequently and/or prominently than a recurring character
• Regular expression, a type of pattern describing a set of strings in computer science
• Regular verb, a grammatical term for a verb with derived forms that are typical for the language

See also

• Irregular

General properties These properties apply to both convex and star regular polygons A regular polyhedron is a Polyhedron whose faces are congruent (all alike Regular polygons which are assembled in the same way around each Vertex In Category theory, a regular category is a category with finite limits and Coequalizers of kernel pairs satisfying certain exactness conditions In Number theory, a regular prime is a certain kind of Prime number. In Graph theory, a regular graph is a graph where each vertex has the same number of neighbors i In Set theory, a regular cardinal is a Cardinal number that is equal to its own Cofinality. In Topology and related fields of Mathematics, regular spaces and T3 spaces are particularly convenient kinds of Topological spaces In Mathematical analysis, a differentiability class is a classification of functions according to the properties of their Derivatives Higher order differentiability In Estimation theory and Statistics, the Cramér–Rao bound (CRB or Cramér–Rao lower bound (CRLB, named in honor of Harald Cramér and In mathematics the axiom of regularity (also known as the axiom of foundation) is one of the axioms of Zermelo-Fraenkel set theory and was introduced by. For the daytime equivalent see Recurring status. A recurring character is a Fictional character, usually in a Prime time In Computing, regular expressions provide a concise and flexible means for identifying strings of text of interest such as particular characters words or patterns of characters A regular verb is any verb whose Conjugation follows the typical grammatical inflections of the language it belongs to

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