Download - The Bastards Book of Regular Expressions

Matching any letter, any number 73Exercise: Cleaning up Wikipedia notationsEvery once in awhile when doing research, you find yourself on a Wikipedia webpage, and thecontent is so great that you want to insert it directly into your own paper. And hey, that’s fine,because Wikipedia information is free!But here’s the first problem you run into: the best Wikipedia content is oftentimes the most wellannotatedcontent. Which means when you copy-and-paste, you’re getting that great text plus allthose bracketed numbers, which is not what your own research paper needs:Giant Panda entry from WikipediaHere’s the text you get when copying-and-pasting from the first paragraph of the Giant Panda²⁰entry:The panda (Ailuropoda melanoleuca, lit. “black and white cat-foot”),[2] also knownas the giant panda to distinguish it from the unrelated red panda, is a bear[3] nativeto central-western and south western China.[4] It is easily recognized by the large,distinctive black patches around its eyes, over the ears, and across its round body.Though it belongs to the order Carnivora, the panda’s diet is 99% bamboo.[5] Pandasin the wild will occasionally eat other grasses, wild tubers, or even meat in the form ofbirds, rodents or carrion. In captivity, they may receive honey, eggs, fish, yams, shrubleaves, oranges, or bananas along with specially prepared food.[6][7]Write the regex needed to remove these bracketed numbers.²⁰http://en.wikipedia.org/wiki/Giant_panda