groupingSeparator Specifies the grouping separator, a CFString object. Declarationstatic let groupingSeparator: CFNumberFormatterKey! See AlsoConstantscurrencyCodedecimalSeparatorcurrencyDecimalSeparatoralwaysShowDecimalSeparatoruseGroupingSeparatorpercentSymbolzeroSymbolnaNSymbolinfinitySymbolminusSignplusSigncurrencySymbolexponentSymbolminIntegerDigitsmaxIntegerDigits