> I need to know about the regular expression set followed by ND.
If you mean "regular expression" like searching for words via grep,
you can get a valuable set of java regex classes from www.javaregex.com.
I use them, and they are relatively cheap, work even with older version
of Java, and the documentation, examples, and licensing are nicely done.
This is not the same thing as searching a database record or field for a
keyword. For that, the best solution is to build SQL statements (for
simple cases like "contains the word xyz") or to look at a third-party
full-text search engine like Fulcrum, Verity, etc. (for complex cases
like boolean operators, nearness, weighting, and optimized indexing).
If your data is relatively small, you may also want to look at the free
search engine in JavaHelp, from java.sun.com. You can use the search
engine as a separate piece, embedded into your own ND projects.
Cheers,
Joel
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