What is \1 here?

Denis McMahon denismfmcmahon at gmail.com
Tue Nov 11 18:35:14 CET 2014

On Tue, 11 Nov 2014 01:18:02 -0800, satishmlmlml wrote:

> What does \1 do in the following piece of code(fourth line)?

It tells you to learn about regex.


Denis McMahon, denismfmcmahon at gmail.com

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