sMonGrouping

HKCU\Control Panel\International

Data type Range Default value
REG_SZ number of digits[;number of digits...] For U.S. English: 3;0

Description

Specifies how digits are grouped to the left of the decimal in currency.

Each numeric value in this entry determines how many digits will be grouped together. The first number in this value determines the number of digits immediatly preceeding the decimal point, and each subsequent value determines the number of digits between thousands separators. If the last value is 0, the preceding value is repeated.

Regional Options in Control Panel limits this value to the three options displayed in the table below. However, you can enter up to five groups of digits in this value in the registry. For example, you can enter 1;2;3;4;5.

Value Example
3;2;0 12,34,56,789
3;0 123,456,789
0;0 123456789

Change method

To change the value of this entry, double-click Regional Options in Control Panel. Click the Currency tab, and then select a grouping from the Digit grouping drop-down list.

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