include::../description.adoc[]

[source,python,diff-id=1,diff-type=noncompliant]
----
r"[0-9]"        # Noncompliant - same as r"\d"
r"[^0-9]"       # Noncompliant - same as r"\D"
r"[A-Za-z0-9_]" # Noncompliant - same as r"\w"
r"[\w\W]"       # Noncompliant - same as r"."
r"a{0,}"        # Noncompliant - same as r"a*"
----

include::../fix.adoc[]

[source,python,diff-id=1,diff-type=compliant]
----
r"\d"
r"\D"
r"\w"
r"."
r"a*"
----

include::../implementation.adoc[]