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Asked: 2026-05-23T03:18:26+00:00

With NSNumberFormatter it is very easy to format a number using a fixed string

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With NSNumberFormatter it is very easy to format a number using a fixed string as GroupingSeparator.

[numberFormatter setGroupingSeparator:@"."];

But in some countries @”.” is not the valid separator: @”,” (a comma) is instead. How can I get a localized grouping separator from the system so my formatting is correct all around the world in any language?

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1 Answer

  1. Editorial Team

    You can use setLocale::

    [numberFormatter setLocale:[NSLocale currentLocale]];

    The locale exposes the correct symbols for things like decimal separator, quotation marks, and units of measurement and currency.

    However! Beware of using this for currency; there is no automatic value conversion. If you have a number representing some amount of U.S. dollars, and just format it as if it were euros, it will be formatted correctly, but will not have the correct meaning.

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