次の方法で共有


CharUnicodeInfo.GetDigitValue メソッド

定義

数値の Unicode 文字の桁の値を取得します。

オーバーロード

GetDigitValue(Char)

指定した数字の桁の値を取得します。

GetDigitValue(String, Int32)

指定した文字列の指定したインデックス位置にある数字の桁の値を取得します。

GetDigitValue(Char)

ソース:
CharUnicodeInfo.cs
ソース:
CharUnicodeInfo.cs
ソース:
CharUnicodeInfo.cs

指定した数字の桁の値を取得します。

public:
 static int GetDigitValue(char ch);
public static int GetDigitValue (char ch);
static member GetDigitValue : char -> int
Public Shared Function GetDigitValue (ch As Char) As Integer

パラメーター

ch
Char

桁の値を取得する対象の Unicode 文字。

戻り値

指定した数字の桁の値。

- または -

指定した文字が桁でない場合は -1。

次のコード例は、さまざまな種類の文字に対して各メソッドによって返される値を示しています。

using namespace System;
using namespace System::Globalization;
void PrintProperties( Char c );
int main()
{
   Console::WriteLine( "                                        c  Num   Dig   Dec   UnicodeCategory" );
   Console::Write( "U+0061 LATIN SMALL LETTER A            " );
   PrintProperties( L'a' );
   Console::Write( "U+0393 GREEK CAPITAL LETTER GAMMA      " );
   PrintProperties( L'\u0393' );
   Console::Write( "U+0039 DIGIT NINE                      " );
   PrintProperties( L'9' );
   Console::Write( "U+00B2 SUPERSCRIPT TWO                 " );
   PrintProperties( L'\u00B2' );
   Console::Write( "U+00BC VULGAR FRACTION ONE QUARTER     " );
   PrintProperties( L'\u00BC' );
   Console::Write( "U+0BEF TAMIL DIGIT NINE                " );
   PrintProperties( L'\u0BEF' );
   Console::Write( "U+0BF0 TAMIL NUMBER TEN                " );
   PrintProperties( L'\u0BF0' );
   Console::Write( "U+0F33 TIBETAN DIGIT HALF ZERO         " );
   PrintProperties( L'\u0F33' );
   Console::Write( "U+2788 CIRCLED SANS-SERIF DIGIT NINE   " );
   PrintProperties( L'\u2788' );
}

void PrintProperties( Char c )
{
   Console::Write( " {0,-3}", c );
   Console::Write( " {0,-5}", CharUnicodeInfo::GetNumericValue( c ) );
   Console::Write( " {0,-5}", CharUnicodeInfo::GetDigitValue( c ) );
   Console::Write( " {0,-5}", CharUnicodeInfo::GetDecimalDigitValue( c ) );
   Console::WriteLine( "{0}", CharUnicodeInfo::GetUnicodeCategory( c ) );
}

/*
This code produces the following output.  Some characters might not display at the console.

                                        c  Num   Dig   Dec   UnicodeCategory
U+0061 LATIN SMALL LETTER A             a   -1    -1    -1   LowercaseLetter
U+0393 GREEK CAPITAL LETTER GAMMA       Γ   -1    -1    -1   UppercaseLetter
U+0039 DIGIT NINE                       9   9     9     9    DecimalDigitNumber
U+00B2 SUPERSCRIPT TWO                  ²   2     2     -1   OtherNumber
U+00BC VULGAR FRACTION ONE QUARTER      ¼   0.25  -1    -1   OtherNumber
U+0BEF TAMIL DIGIT NINE                 ௯   9     9     9    DecimalDigitNumber
U+0BF0 TAMIL NUMBER TEN                 ௰   10    -1    -1   OtherNumber
U+0F33 TIBETAN DIGIT HALF ZERO          ༳   -0.5  -1    -1   OtherNumber
U+2788 CIRCLED SANS-SERIF DIGIT NINE    ➈   9     9     -1   OtherNumber

*/
using System;
using System.Globalization;

public class SamplesCharUnicodeInfo  {

   public static void Main()  {

      Console.WriteLine( "                                        c  Num   Dig   Dec   UnicodeCategory" );

      Console.Write( "U+0061 LATIN SMALL LETTER A            " );
      PrintProperties( 'a' );

      Console.Write( "U+0393 GREEK CAPITAL LETTER GAMMA      " );
      PrintProperties( '\u0393' );

      Console.Write( "U+0039 DIGIT NINE                      " );
      PrintProperties( '9' );

      Console.Write( "U+00B2 SUPERSCRIPT TWO                 " );
      PrintProperties( '\u00B2' );

      Console.Write( "U+00BC VULGAR FRACTION ONE QUARTER     " );
      PrintProperties( '\u00BC' );

      Console.Write( "U+0BEF TAMIL DIGIT NINE                " );
      PrintProperties( '\u0BEF' );

      Console.Write( "U+0BF0 TAMIL NUMBER TEN                " );
      PrintProperties( '\u0BF0' );

      Console.Write( "U+0F33 TIBETAN DIGIT HALF ZERO         " );
      PrintProperties( '\u0F33' );

      Console.Write( "U+2788 CIRCLED SANS-SERIF DIGIT NINE   " );
      PrintProperties( '\u2788' );
   }

   public static void PrintProperties( char c )  {
      Console.Write( " {0,-3}", c );
      Console.Write( " {0,-5}", CharUnicodeInfo.GetNumericValue( c ) );
      Console.Write( " {0,-5}", CharUnicodeInfo.GetDigitValue( c ) );
      Console.Write( " {0,-5}", CharUnicodeInfo.GetDecimalDigitValue( c ) );
      Console.WriteLine( "{0}", CharUnicodeInfo.GetUnicodeCategory( c ) );
   }
}


/*
This code produces the following output.  Some characters might not display at the console.

                                        c  Num   Dig   Dec   UnicodeCategory
U+0061 LATIN SMALL LETTER A             a   -1    -1    -1   LowercaseLetter
U+0393 GREEK CAPITAL LETTER GAMMA       Γ   -1    -1    -1   UppercaseLetter
U+0039 DIGIT NINE                       9   9     9     9    DecimalDigitNumber
U+00B2 SUPERSCRIPT TWO                  ²   2     2     -1   OtherNumber
U+00BC VULGAR FRACTION ONE QUARTER      ¼   0.25  -1    -1   OtherNumber
U+0BEF TAMIL DIGIT NINE                 ௯   9     9     9    DecimalDigitNumber
U+0BF0 TAMIL NUMBER TEN                 ௰   10    -1    -1   OtherNumber
U+0F33 TIBETAN DIGIT HALF ZERO          ༳   -0.5  -1    -1   OtherNumber
U+2788 CIRCLED SANS-SERIF DIGIT NINE    ➈   9     9     -1   OtherNumber

*/
Imports System.Globalization

Public Class SamplesCharUnicodeInfo

   Public Shared Sub Main()

      Console.WriteLine("                                        c  Num   Dig   Dec   UnicodeCategory")

      Console.Write("U+0061 LATIN SMALL LETTER A            ")
      PrintProperties("a"c)

      Console.Write("U+0393 GREEK CAPITAL LETTER GAMMA      ")
      PrintProperties(ChrW(&H0393))

      Console.Write("U+0039 DIGIT NINE                      ")
      PrintProperties("9"c)

      Console.Write("U+00B2 SUPERSCRIPT TWO                 ")
      PrintProperties(ChrW(&H00B2))

      Console.Write("U+00BC VULGAR FRACTION ONE QUARTER     ")
      PrintProperties(ChrW(&H00BC))

      Console.Write("U+0BEF TAMIL DIGIT NINE                ")
      PrintProperties(ChrW(&H0BEF))

      Console.Write("U+0BF0 TAMIL NUMBER TEN                ")
      PrintProperties(ChrW(&H0BF0))

      Console.Write("U+0F33 TIBETAN DIGIT HALF ZERO         ")
      PrintProperties(ChrW(&H0F33))

      Console.Write("U+2788 CIRCLED SANS-SERIF DIGIT NINE   ")
      PrintProperties(ChrW(&H2788))

   End Sub

   Public Shared Sub PrintProperties(c As Char)
      Console.Write(" {0,-3}", c)
      Console.Write(" {0,-5}", CharUnicodeInfo.GetNumericValue(c))
      Console.Write(" {0,-5}", CharUnicodeInfo.GetDigitValue(c))
      Console.Write(" {0,-5}", CharUnicodeInfo.GetDecimalDigitValue(c))
      Console.WriteLine("{0}", CharUnicodeInfo.GetUnicodeCategory(c))
   End Sub

End Class


'This code produces the following output.  Some characters might not display at the console.
'
'                                        c  Num   Dig   Dec   UnicodeCategory
'U+0061 LATIN SMALL LETTER A             a   -1    -1    -1   LowercaseLetter
'U+0393 GREEK CAPITAL LETTER GAMMA       Γ   -1    -1    -1   UppercaseLetter
'U+0039 DIGIT NINE                       9   9     9     9    DecimalDigitNumber
'U+00B2 SUPERSCRIPT TWO                  ²   2     2     -1   OtherNumber
'U+00BC VULGAR FRACTION ONE QUARTER      ¼   0.25  -1    -1   OtherNumber
'U+0BEF TAMIL DIGIT NINE                 ௯   9     9     9    DecimalDigitNumber
'U+0BF0 TAMIL NUMBER TEN                 ௰   10    -1    -1   OtherNumber
'U+0F33 TIBETAN DIGIT HALF ZERO          ༳   -0.5  -1    -1   OtherNumber
'U+2788 CIRCLED SANS-SERIF DIGIT NINE    ➈   9     9     -1   OtherNumber

注釈

Digit 値は、数字として使用できる数値にのみ適用されるプロパティです。 数字は、他の数字と組み合わせて番号付けシステムの整数を表すことができる数値です。

Unicode 文字の詳細については、「 Unicode 標準」を参照してください。

適用対象

GetDigitValue(String, Int32)

ソース:
CharUnicodeInfo.cs
ソース:
CharUnicodeInfo.cs
ソース:
CharUnicodeInfo.cs

指定した文字列の指定したインデックス位置にある数字の桁の値を取得します。

public:
 static int GetDigitValue(System::String ^ s, int index);
public static int GetDigitValue (string s, int index);
static member GetDigitValue : string * int -> int
Public Shared Function GetDigitValue (s As String, index As Integer) As Integer

パラメーター

s
String

桁の値を取得する対象の Unicode 文字を含む String

index
Int32

桁の値を取得する対象の Unicode 文字のインデックス。

戻り値

指定した文字列の指定したインデックス位置にある数字の桁の値。

- または -

指定した文字列の指定したインデックス位置にある文字が桁でない場合は -1。

例外

snullです。

indexs の有効なインデックスの範囲外です。

次のコード例は、さまざまな種類の文字に対して各メソッドによって返される値を示しています。

using namespace System;
using namespace System::Globalization;
int main()
{

   // The String to get information for.
   String^ s = "a9\u0393\u00B2\u00BC\u0BEF\u0BF0\u2788";
   Console::WriteLine( "String: {0}", s );

   // Print the values for each of the characters in the string.
   Console::WriteLine( "index c  Num   Dig   Dec   UnicodeCategory" );
   for ( int i = 0; i < s->Length; i++ )
   {
      Console::Write( "{0,-5} {1,-3}", i, s[ i ] );
      Console::Write( " {0,-5}", CharUnicodeInfo::GetNumericValue( s, i ) );
      Console::Write( " {0,-5}", CharUnicodeInfo::GetDigitValue( s, i ) );
      Console::Write( " {0,-5}", CharUnicodeInfo::GetDecimalDigitValue( s, i ) );
      Console::WriteLine( "{0}", CharUnicodeInfo::GetUnicodeCategory( s, i ) );

   }
}

/*
This code produces the following output.  Some characters might not display at the console.

String: a9Γ²¼௯௰➈
index c  Num   Dig   Dec   UnicodeCategory
0     a   -1    -1    -1   LowercaseLetter
1     9   9     9     9    DecimalDigitNumber
2     Γ   -1    -1    -1   UppercaseLetter
3     ²   2     2     -1   OtherNumber
4     ¼   0.25  -1    -1   OtherNumber
5     ௯   9     9     9    DecimalDigitNumber
6     ௰   10    -1    -1   OtherNumber
7     ➈   9     9     -1   OtherNumber

*/
using System;
using System.Globalization;

public class SamplesCharUnicodeInfo  {

   public static void Main()  {

      // The String to get information for.
      String s = "a9\u0393\u00B2\u00BC\u0BEF\u0BF0\u2788";
      Console.WriteLine( "String: {0}", s );

      // Print the values for each of the characters in the string.
      Console.WriteLine( "index c  Num   Dig   Dec   UnicodeCategory" );
      for ( int i = 0; i < s.Length; i++ )  {
         Console.Write( "{0,-5} {1,-3}", i, s[i] );
         Console.Write( " {0,-5}", CharUnicodeInfo.GetNumericValue( s, i ) );
         Console.Write( " {0,-5}", CharUnicodeInfo.GetDigitValue( s, i ) );
         Console.Write( " {0,-5}", CharUnicodeInfo.GetDecimalDigitValue( s, i ) );
         Console.WriteLine( "{0}", CharUnicodeInfo.GetUnicodeCategory( s, i ) );
      }
   }
}


/*
This code produces the following output.  Some characters might not display at the console.

String: a9Γ²¼௯௰➈
index c  Num   Dig   Dec   UnicodeCategory
0     a   -1    -1    -1   LowercaseLetter
1     9   9     9     9    DecimalDigitNumber
2     Γ   -1    -1    -1   UppercaseLetter
3     ²   2     2     -1   OtherNumber
4     ¼   0.25  -1    -1   OtherNumber
5     ௯   9     9     9    DecimalDigitNumber
6     ௰   10    -1    -1   OtherNumber
7     ➈   9     9     -1   OtherNumber

*/
Imports System.Globalization

Public Class SamplesCharUnicodeInfo

   Public Shared Sub Main()

      ' The String to get information for.
      Dim s As [String] = "a9\u0393\u00B2\u00BC\u0BEF\u0BF0\u2788"
      Console.WriteLine("String: {0}", s)

      ' Print the values for each of the characters in the string.
      Console.WriteLine("index c  Num   Dig   Dec   UnicodeCategory")
      Dim i As Integer
      For i = 0 To s.Length - 1
         Console.Write("{0,-5} {1,-3}", i, s(i))
         Console.Write(" {0,-5}", CharUnicodeInfo.GetNumericValue(s, i))
         Console.Write(" {0,-5}", CharUnicodeInfo.GetDigitValue(s, i))
         Console.Write(" {0,-5}", CharUnicodeInfo.GetDecimalDigitValue(s, i))
         Console.WriteLine("{0}", CharUnicodeInfo.GetUnicodeCategory(s, i))
      Next i

   End Sub

End Class


'This code produces the following output.  Some characters might not display at the console.
'
'String: a9Γ²¼௯௰➈
'index c  Num   Dig   Dec   UnicodeCategory
'0     a   -1    -1    -1   LowercaseLetter
'1     9   9     9     9    DecimalDigitNumber
'2     Γ   -1    -1    -1   UppercaseLetter
'3     ²   2     2     -1   OtherNumber
'4     ¼   0.25  -1    -1   OtherNumber
'5     ௯   9     9     9    DecimalDigitNumber
'6     ௰   10    -1    -1   OtherNumber
'7     ➈   9     9     -1   OtherNumber

注釈

Digit 値は、数字として使用できる数値にのみ適用されるプロパティです。 数字は、他の数字と組み合わせて番号付けシステムの整数を表すことができる数値です。

Unicode 文字の詳細については、「 Unicode 標準」を参照してください。

適用対象