Char.IsLetterOrDigit メソッド

定義

オーバーロード

例

次のコード例では、 IsLetterOrDigit を示します。

using namespace System;
int main()
{
   String^ str =  "newline:\n";
   Console::WriteLine( Char::IsLetterOrDigit( '8' ) ); // Output: "True"
   Console::WriteLine( Char::IsLetterOrDigit( str, 8 ) ); // Output: "False", because it's a newline
}

using System;

public class IsLetterOrDigitSample {
    public static void Main() {
        string str = "newline:\n";

        Console.WriteLine(Char.IsLetterOrDigit('8'));		// Output: "True"
        Console.WriteLine(Char.IsLetterOrDigit(str, 8));	// Output: "False", because it's a newline
    }
}

open System

let str = "newline:\n"

printfn $"{Char.IsLetterOrDigit '8'}"       // Output: "True"
printfn $"{Char.IsLetterOrDigit(str, 8)}"   // Output: "False", because it's a newline

Module IsLetterOrDigitSample

    Sub Main()

        Dim str As String
        str = "newline:" + Environment.NewLine

        Console.WriteLine(Char.IsLetterOrDigit("8"c))       ' Output: "True"
        Console.WriteLine(Char.IsLetterOrDigit(str, 8))     ' Output: "False", because it's a NewLine

    End Sub

End Module

注釈

有効な文字と10進数字は UnicodeCategory UppercaseLetter 、、、 LowercaseLetter 、、 TitlecaseLetter ModifierLetter OtherLetter 、または DecimalDigitNumber の次のカテゴリのメンバーです。

public:
 static bool IsLetterOrDigit(char c);

public static bool IsLetterOrDigit (char c);

static member IsLetterOrDigit : char -> bool

Public Shared Function IsLetterOrDigit (c As Char) As Boolean

public:
 static bool IsLetterOrDigit(System::String ^ s, int index);

public static bool IsLetterOrDigit (string s, int index);

static member IsLetterOrDigit : string * int -> bool

Public Shared Function IsLetterOrDigit (s As String, index As Integer) As Boolean