== Why is this an issue?

include::../description.adoc[]

=== Noncompliant code example

[source,python]
----
r"(?:number)\d{2}"
----

=== Compliant solution

[source,python]
----
r"number\d{2}"
r"(?:number)?\d{2}"
----


=== Exceptions

This rule does not report an issue if the non-capturing group is an alternation.

[source,python]
----
r"(?:number|string)"
----

include::../implementation.adoc[]