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forivall/simpleCoffeescriptNaturalSort

Created March 5, 2014 19:59
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Simple (non-robust) Natural Sort in coffeescript
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simpleCoffeescriptNaturalSort
natcompare_re = /^(\D*)(\d*)([\s\S]*)$/
naturalCompare = (a, b) ->
return 0 if a is b
[__, a_word, a_num, a_rest] = natcompare_re.exec(a)
[__, b_word, b_num, b_rest] = natcompare_re.exec(b)
return (if a < b then -1 else 1) if a_word isnt b_word
return (+a_num) - (+b_num) if a_num isnt b_num
return naturalCompare a_rest, b_rest
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