I've gotten good results from this too. In cases where you have a big regex which is too complicated to break down, you can do both: first, use index to do a simpler test. If that passes, then go on to use the full regex.

In reply to Re^2: Script far too slow with large files - wisdom needed! by blahblahblah
in thread Script far too slow with large files - wisdom needed! by biologistatsea

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