$s = "-config,-files"  VALID
$s = "-files,-batchPath"  VALID
$s = "-files,-batch-driverPath"  NOT VALID, not comma seperated.
$s = "NONE"     VALID
$s = "NONE,-params"    NOT VALID, can not mix [NONE] with other values.
$s = " -config, -files "   NOT VALID, spaces not allowed (beginning, middle or end)
$s = "-test"               NOT VALID, not a valid parameter
$s = "-files,-test,-batchPath"   NOT VALID, valid parameters mixed with invalid parameters.
$s = "-files,files"    NOT VALID, same valid listed 2x
$s = "-config,-files,-params,-driverPath,-appPath,-batchPath"     VALID