== Why is this an issue? include::../description.adoc[] === Noncompliant code example With the default regular expression ``++^[a-z][a-zA-Z0-9]*$++``: [source,java] ---- class MyClass { private int my_field; } ---- === Compliant solution [source,java] ---- class MyClass { private int myField; } ---- ifdef::env-github,rspecator-view[] ''' == Implementation Specification (visible only on this page) include::../message.adoc[] include::../parameters.adoc[] ''' == Comments And Links (visible only on this page) include::../comments-and-links.adoc[] endif::env-github,rspecator-view[]