The negative look ahead works great for matching on the proper blocks of text. The issue this injects is an extreme slow down of the app. Without the look ahead, it runs in less than a second, with the lookahead, we are talking 10 minutes or so.

My actual data file has thousands of lines of text and much more text on each line than a single word, but still, not using the negative look ahead runs against these large files in less than a second. Why would this cause such a slow down? Is there a way around this?

In reply to Re^2: Multiple regex matches in single string by Elijah
in thread Multiple regex matches in single string by Elijah

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