Hi,
Thanks for your interest in syncfusion product.
I have modified the sample as per your requirements in the following link. Please run the sample and let us know if it helps you. You can add the custom lexemes in the config file
http://www.syncfusion.com/downloads/Support/DirectTrac/88351/CS-986113181.zipPlease let us know if you need any other details.
We are glad to assist you.
Regards,
Arun A.