This would seem to remove any `m` character that is followed by one or more spaces, so I don’t think it _quite_ does what you asked for. Not sure why it would be faster either.
-sam

On 12 Feb 2019, at 7:38, @lbutlr wrote:

I asked someone how to remove all spaces in an string more efficiently and he responded with

search: (m?)\s+
replace: (nul)

which sure does work.

But WHY?

That is, I know what this does, but I don't understand the syntax


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