/*xml
   <module name="Checker">
     <module name="RegexpOnFilename">
       <property name="fileNamePattern" value="^([A-Z][a-z0-9]+\.?)+$"/>
       <property name="match" value="false"/>
       <property name="ignoreFileNameExtensions" value="true"/>
       <message key="regexp.filename.mismatch"
         value="only filenames in camelcase is allowed"/>
     </module>
  </module>
  */
  package com.puppycrawl.tools.checkstyle.checks.regexp.regexponfilename;
  /*
  // xdoc section -- start
  .../checkstyle.xml    // violation, 'only filenames in camelcase is allowed'
  .../Test Example1.xml // violation, 'only filenames in camelcase is allowed'
  .../TestExample2.xml
  .../TestExample3.md
  .../TestExample4.xml
  // xdoc section -- end
  */
  class Example5 {}