public void ProviderExtensions_RegionInPosition_ComplexVariableAndPositionIsTheSecondVariable_OnlySecondVariableReturned()
{
const string data = "[[[[var1]][[var2]][[rec([[indexVar]]).fielA]]]]";
var region = data.RegionInPostion(13);
Assert.AreEqual("[[var2]]", region.Name);
Assert.AreEqual(10, region.StartIndex);
}