Extension method: Stringerex<TResult?> OrNull<TResult>(this Stringerex<TResult>)

• Declared in: RT.Generexes.Generex

Declaration

public static Stringerex<TResult?> OrNull<TResult>(
    this Stringerex<TResult> inner
)

Summary

Returns a regular expression that matches this regular expression zero times or once. Zero times is prioritised (cf. ?? in traditional regular expression syntax).

Generic type parameters

TResult Must derive from: System.ValueType. Must have a default constructor. Must be a non-nullable value type.

Type of the result object associated with each match of the regular expression.

Parameters

this Stringerex<TResult>

inner

The regular expression to be modified.

Returns

A regular expression whose result object is a nullable version of the original result object.