Globalization (6): digital format settings

Note the following when processing numeric values:

1. Characters Used as the delimiter for thousands of characters:

In the United States, the character is a comma (,). It is a period (.) in Germany (.). Therefore, one thousand and twenty-five is displayed1,025(In the United States) and1.025(In Germany ). In Sweden, the Delimiter is a space.

2. The character used as the decimal separator.
In the United States, the character is a period (.). In Germany, comma (,) is used (,). Therefore, 1,025.7 is displayed1,025.7(In the United States) and1.025, 7(In Germany ).

3. display of negative numbers.
You can place a negative sign at the beginning of a number or at the end of a number. In addition, numbers can be displayed in parentheses or even colors (such as red. Therefore, -527 can be displayed:

4. numbers or their shapes
Whether it is one-to-one correspondence with decimal numbers.
Of course, numbers may have different shapes in different regions. In addition, the numbers in some region settings may not be
Numbers used in the United States (0-9) are directly matched. (See Table 1)

Table 1:Numbers used in English (US), Arabic, and Japanese.

Note that Japanese has one more digit than Arabic or English (USA. It represents the number 10.

5. group numbers.
This indicates the number of digits between the separators in all numeric groups on the left of the decimal separator. For example, most regions use a combination of three numbers, for example, English (USA): 123,456,789.00. Note, however, that apart from a hundred-digit combination of three digits, the northern Indian language uses a combination of two digits: 12, 34, and 56,789.00.

6. percentage (%.
It can be written in many forms: 98%, 98%, 98 pct, and % 98. Therefore, you must not think that you can hard encode the percent number.

 

. NET standard numeric format:

Symbol	Description	Example	Output
C	Currency	String. Format("{0: C3}", 2)	$2.000
D	Decimal	String. Format("{0: D3}", 2)	002
E	Scientific notation	1.20E + 001	1.20E + 001
G	General	String. Format("{0: G}", 2)	2
N	Number separated by semicolons	String. Format("{0: N}", 250000)	250,000.00
X	Hexadecimal	String. Format("{0: X000}", 12)	C