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I'm sure this is asked a lot; but I'm not figuring out how to search it. Is there a standard way to get instaparse to pick grammar-fitting things out of a mess of other text? In text-mining, I've used regular expressions to carve out the bits I want to parse; but that's pretty redundant. Starting and ending your grammar with an <anything> pattern is slow; and, I'm sure, makes instaparser grind away on unnecessary work.