Can you tell us how the approach you currently have does not work out?

Maybe show us a small, self-contained working program that shows how things fail for you?

From the look of it, your program should basically work, but maybe there is something I'm missing. Showing a runnable program and telling us how it fails to do what you want would help.

In reply to Re: Matching terms in text by Corion
in thread Matching terms in text by rajaman

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