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CompareNatural does not compare strings lexically. #1121

harrysarson opened this Issue May 31, 2018 · 1 comment


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harrysarson commented May 31, 2018

CompareNatural uses javascript-natural-sort to compare strings.

Strings are not compared lexically as the docs say they should be.

For example:

> math.compareNatural('5', '10')
> '5' < '10'


> math.compareNatural('10/11/2009', '10/12/2008')
> '10/11/2009' < '10/12/2008'

Is this a bug or should we change the docs to say something like strings are compared in a sensible way?

(Note that the javascript operator < does lexical comparison on strings)

josdejong added a commit that referenced this issue May 31, 2018

Fixed #1065, #1121: Fixed wrong documentation of function `compareNat…
…ural` and clarified the behavior for strings

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josdejong commented May 31, 2018

Thanks, it's indeed an error in the documentation. I've updated the docs, see a389d34.

For reference, see also #1065.

@josdejong josdejong closed this May 31, 2018

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