Mathematicians often study the properties of a regular tessellation to understand symmetries in two-dimensional patterns.

To calculate the area of a regular polygon, you can divide it into congruent isosceles triangles and sum their areas.

To validate email formats, she wrote a concise regular expression that uses concatenation, alternation, and repetition to define allowed characters.

A regular function on a compact Riemann surface may have only isolated poles, so such a function is meromorphic.

In topology, a regular open set has the property that it equals the interior of its closure.

In many topology texts, a regular closed set is defined as a set that equals the closure of its interior.

To solve the partial differential equation numerically, we discretized the domain using a regular grid that aligned with the material interfaces.

At the town hall meeting, regular folks raised thoughtful concerns about the new zoning proposal.

The charity event was organized by regular folk who wanted to help their neighbors.

To compute the value of certain divergent integrals arising in boundary-value problems, the team applied Hadamard regularization to discard divergent pieces and extract the finite result.