Char.IsPunctuation 方法

定义

重载

示例

下面的代码示例演示 IsPunctuation 。

using namespace System;
int main()
{
   char ch = '.';
   Console::WriteLine( Char::IsPunctuation( ch ) ); // Output: "True"
   Console::WriteLine( Char::IsPunctuation(  "no punctuation", 3 ) ); // Output: "False"
}

using System;

public class IsPunctuationSample {
    public static void Main() {
        char ch = '.';

        Console.WriteLine(Char.IsPunctuation(ch));						// Output: "True"
        Console.WriteLine(Char.IsPunctuation("no punctuation", 3));		// Output: "False"
    }
}

open System

let ch = '.'

printfn $"{Char.IsPunctuation ch}"                       // Output: "True"
printfn $"""{Char.IsPunctuation("no punctuation", 3)}""" // Output: "False"

Module IsPunctuationSample

    Sub Main()

        Dim ch As Char
        ch = "."c

        Console.WriteLine(Char.IsPunctuation(ch))                   ' Output: "True"
        Console.WriteLine(Char.IsPunctuation("no punctuation", 3))  ' Output: "False"

    End Sub

End Module

注解

有效的标点符号是 中以下类别的成员 UnicodeCategory ConnectorPunctuation DashPunctuation OpenPunctuation ClosePunctuation InitialQuotePunctuation ：、、、、 FinalQuotePunctuation 或 OtherPunctuation 。 它们包含下表中列出的 Unicode 码位的字符。

public:
 static bool IsPunctuation(char c);

public static bool IsPunctuation (char c);

static member IsPunctuation : char -> bool

Public Shared Function IsPunctuation (c As Char) As Boolean

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

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

static member IsPunctuation : string * int -> bool

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