Famous Perl One-Liners Explained, Part VII: Handy Regular Expressions

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November 10, 2011, 14:32

#115 doesn't increment numbers, it increments integers. And it has a strange effect on floating point numbers. For example, 3.14 is changed to 4.15.

$ perl -E'$_=3.14; s/(\d+)/$1+1/ge; say'
4.15

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November 10, 2011, 15:00

Thanks for the insightful comments Dave!

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