@rtiangha: 2 backslashes.
That commit was simply meant as a reference to me messing up the regex twice today ^^. And to illustrate the fact that nickel could happily purge previously indexed content if you mess it up badly enough

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The content of my earlier post is correct, and is what most users should care about, not me losing my mind in commit logs

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EDIT: The live version of this block of code has been
fixed to use less confusing escaping shenanigans

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