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Re^5: Problems searching and highlighting proximity words in a textby Krambambuli (Curate) |
on May 24, 2010 at 12:05 UTC ( [id://841376]=note: print w/replies, xml ) | Need Help?? |
The $4 seems not to be necessary, Indeed, as long as you use (?:\w+\W+){0,$distance} instead of the expression I've used, (\w+\W+){0,$distance} there will be no extra match. I haven't done any benchmarking, but probably the lookahead is a bit better/faster anyway.
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