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    It will only work in locales where the decimal separator is the dot (.). Commented Nov 30, 2015 at 18:26
  • @StéphaneChazelas True. I guessed that a multi-locale solution was out-of-scope for this question. Commented Dec 1, 2015 at 9:58
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    Still worth pointing out as it will affect most people in the non-english-speaking world. Commented Dec 1, 2015 at 10:01