cppcheck/rules/suggest_nullptr.xml

<?xml version="1.0"?>
<rule version="1">
    <tokenlist>raw</tokenlist> <!-- playground: https://regex101.com/r/vGfGSA/1 -->
    <pattern><![CDATA[(\b\w+\b) \* (\b\w+\b) = 0 ;]]></pattern>
    <message>
        <id>modernizeUseNullPtr</id>
        <severity>style</severity>
        <summary>Prefer to use a 'nullptr' instead of initializing a pointer with 0.</summary>
    </message>
</rule>