Re^2: Extracting coordinates

In cases like this, imo, it may be worth declaring/compiling the regex outside of any loops.

my $re = qr{\s+(-?\d+\.\d+)\s+(-?\d+\.\d+)};

# and then later, inside the loops

next if $line !~ $re;
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You would need to do benchmarks to know whether it was actually worth it. The docs are a tad cirumspect. :-)

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Re^3: Extracting coordinates by Anonymous Monk on Mar 21, 2010 at 10:27 UTC
You would need to do benchmarks to know whether it was actually worth it. No you wouldn't since there is no vars in the regex, it makes no difference.	[reply]