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== Why is this an issue?
include::../description.adoc[]
=== Noncompliant code example
[source,javascript]
----
const dateRegex = /^(?:0[1-9]|[12][0-9]|3[01])[- /.](?:0[1-9]|1[012])[- /.](?:19|20)\d\d(?:)$/; // Noncompliant, useless group at the end
const methodCallRegex = /foo()/; // Noncompliant, will match only 'foo'
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=== Compliant solution
[source,javascript]
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const dateRegex = /^(?:0[1-9]|[12][0-9]|3[01])[- /.](?:0[1-9]|1[012])[- /.](?:19|20)\d\d$/;
const methodCallRegex = /foo\(\)/; // OK, matches 'foo()'
----