System.Globalization.CharUnicodeInfo.GetDecimalDigitValue Method

Gets the decimal digit value of the specified numeric character.

Syntax

public static int GetDecimalDigitValue (char ch)

Parameters

ch
The Unicode character for which to get the decimal digit value.

Returns

The decimal digit value of the specified numeric character.

-or-

-1, if the specified character is not a decimal digit.

Remarks

This method converts characters that represent decimal digits to their equivalent integral values. Decimal digits are characters in the UnicodeCategory.DecimalDigitNumber category that can represent one of ten digits in the decimal (base 10) numbering system, from zero through nine. It includes characters such as U+0030 (DIGIT ZERO) through U+0039 (DIGIT NINE), U+0660 (ARABIC-INDIC DIGIT ZERO) through U+0669 (ARABIC-INDIC DIGIT NINE), U+07C0 (NKO DIGIT ZERO) through U+07C9 (NKO DIGIT NINE), and U+1040 (MYANMAR DIGIT ZERO) through U+1049 (MYANMAR DIGIT NINE).

For more information about Unicode characters, see the tp://go.microsoft.com/fwlink/?linkid=37123.

Requirements

Namespace: System.Globalization
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 2.0.0.0, 4.0.0.0
Since: .NET 2.0