Hi, I am working on a program to index/search chemical element/compound. Say I write an analyzer to filter out chemical terms, such as H2O. I noticed that I can specify a tocken's type. Can I construct a token as new Token ("H2", start, end, "chem");
My questions is How do I search all the tokens with "chem" type token, such as H2O, O2, etc? Any sample like this? If this approach doesn't work, what's the best approach? Thanks, Ethan