String.EndsWith Метод

  • Ссылка

Определение

Пространство имен:
System
Сборка:
System.Runtime.dll
Сборка:
netstandard.dll
Сборка:
mscorlib.dll

Определяет, совпадает ли конец данного экземпляра строки с указанной строкой.

Перегрузки

EndsWith(Char)

Определяет, совпадает ли конец данного экземпляра строки с указанным символом.
EndsWith(String)

Определяет, совпадает ли конец данного экземпляра строки с указанной строкой.
EndsWith(String, StringComparison)

Определяет, совпадает ли конец экземпляра строки с заданной строкой при сравнении с учетом заданного параметра сравнения.
EndsWith(String, Boolean, CultureInfo)

Определяет, совпадает ли конец данного экземпляра строки с заданной строкой при сравнении с учетом заданного языка и региональных параметров.

EndsWith(Char)

Исходный код:
String.Comparison.cs
Исходный код:
String.Comparison.cs
Исходный код:
String.Comparison.cs

Определяет, совпадает ли конец данного экземпляра строки с указанным символом.

public:
 bool EndsWith(char value);
public bool EndsWith (char value);
member this.EndsWith : char -> bool
Public Function EndsWith (value As Char) As Boolean

Параметры

value
Char

Символ, который необходимо сравнить с символом, расположенным в конце этого экземпляра.

Возвращаемое значение

Boolean

true, если конец этого экземпляра совпадает с value; в противном случае — false.

Комментарии

Этот метод выполняет порядковый номер (с учетом регистра и без учета языка и региональных параметров).

Применяется к

EndsWith(String)

Исходный код:
String.Comparison.cs
Исходный код:
String.Comparison.cs
Исходный код:
String.Comparison.cs

Определяет, совпадает ли конец данного экземпляра строки с указанной строкой.

public:
 bool EndsWith(System::String ^ value);
public bool EndsWith (string value);
member this.EndsWith : string -> bool
Public Function EndsWith (value As String) As Boolean

Параметры

value
String

Строка, которую необходимо сравнить с подстрокой, расположенной в конце этого экземпляра.

Возвращаемое значение

Boolean

true, если конец этого экземпляра совпадает с value; в противном случае — false.

Исключения

ArgumentNullException

value имеет значение null.

Примеры

В следующем примере показано, заканчивается ли каждая строка в массиве точкой (".").

using System;

public class Example
{
   public static void Main()
   {
      String[] strings = { "This is a string.", "Hello!", "Nothing.", 
                           "Yes.", "randomize" };
      foreach (var value in strings) {
         bool endsInPeriod = value.EndsWith(".");
         Console.WriteLine("'{0}' ends in a period: {1}", 
                           value, endsInPeriod);
      }                            
   }
}
// The example displays the following output:
//       'This is a string.' ends in a period: True
//       'Hello!' ends in a period: False
//       'Nothing.' ends in a period: True
//       'Yes.' ends in a period: True
//       'randomize' ends in a period: False

let strings = 
    [| "This is a string."; "Hello!"; "Nothing."
       "Yes."; "randomize" |]

for value in strings do
    let endsInPeriod = value.EndsWith "."
    printfn $"'{value}' ends in a period: {endsInPeriod}"
// The example displays the following output:
//       'This is a string.' ends in a period: True
//       'Hello!' ends in a period: False
//       'Nothing.' ends in a period: True
//       'Yes.' ends in a period: True
//       'randomize' ends in a period: False

Module Example
   Public Sub Main()
      Dim strings() As String = { "This is a string.", "Hello!", 
                                  "Nothing.", "Yes.", "randomize" }
      For Each value In strings
         Dim endsInPeriod As Boolean = value.EndsWith(".")
         Console.WriteLine("'{0}' ends in a period: {1}", 
                           value, endsInPeriod)
      Next                            
   End Sub
End Module
' The example displays the following output:
'       'This is a string.' ends in a period: True
'       'Hello!' ends in a period: False
'       'Nothing.' ends in a period: True
'       'Yes.' ends in a period: True
'       'randomize' ends in a period: False

В следующем примере определяется StripEndTags метод , который использует EndsWith(String) метод для удаления конечных тегов HTML из конца строки. Обратите внимание, что StripEndTags метод вызывается рекурсивно, чтобы гарантировать удаление нескольких конечных тегов HTML в конце строки.

using namespace System;
using namespace System::Collections;

String^ StripEndTags( String^ item )
{
   bool found = false;
   
   // try to find a tag at the end of the line using EndsWith
   if ( item->Trim()->EndsWith( ">" ) )
   {
      
      // now search for the opening tag...
      int lastLocation = item->LastIndexOf( "</" );
      
      // remove the identified section, if it is a valid region
      if ( lastLocation >= 0 ) {
            item = item->Substring( 0, lastLocation );
            found = true;
      }
   }

   if (found) item = StripEndTags(item);
   
   return item;
}

int main()
{
   
   // process an input file that contains html tags.
   // this sample checks for multiple tags at the end of the line, rather than simply
   // removing the last one.
   // note: HTML markup tags always end in a greater than symbol (>).
   array<String^>^strSource = {"<b>This is bold text</b>","<H1>This is large Text</H1>","<b><i><font color=green>This has multiple tags</font></i></b>","<b>This has <i>embedded</i> tags.</b>","This line simply ends with a greater than symbol, it should not be modified>"};
   Console::WriteLine( "The following lists the items before the ends have been stripped:" );
   Console::WriteLine( "-----------------------------------------------------------------" );
   
   // print out the initial array of strings
   IEnumerator^ myEnum1 = strSource->GetEnumerator();
   while ( myEnum1->MoveNext() )
   {
      String^ s = safe_cast<String^>(myEnum1->Current);
      Console::WriteLine( s );
   }

   Console::WriteLine();
   Console::WriteLine( "The following lists the items after the ends have been stripped:" );
   Console::WriteLine( "----------------------------------------------------------------" );
   
   // Display the array of strings.
   IEnumerator^ myEnum2 = strSource->GetEnumerator();
   while ( myEnum2->MoveNext() )
   {
      String^ s = safe_cast<String^>(myEnum2->Current);
      Console::WriteLine( StripEndTags( s ) );
   }
}
// The example displays the following output:
//    The following lists the items before the ends have been stripped:
//    -----------------------------------------------------------------
//    <b>This is bold text</b>
//    <H1>This is large Text</H1>
//    <b><i><font color=green>This has multiple tags</font></i></b>
//    <b>This has <i>embedded</i> tags.</b>
//    This line simply ends with a greater than symbol, it should not be modified>
//    
//    The following lists the items after the ends have been stripped:
//    ----------------------------------------------------------------
//    <b>This is bold text
//    <H1>This is large Text
//    <b><i><font color=green>This has multiple tags
//    <b>This has <i>embedded</i> tags.
//    This line simply ends with a greater than symbol, it should not be modified>

using System;

public class EndsWithTest {
    public static void Main() {

        // process an input file that contains html tags.
        // this sample checks for multiple tags at the end of the line, rather than simply
        // removing the last one.
        // note: HTML markup tags always end in a greater than symbol (>).

        string [] strSource = { "<b>This is bold text</b>", "<H1>This is large Text</H1>",
                "<b><i><font color=green>This has multiple tags</font></i></b>",
                "<b>This has <i>embedded</i> tags.</b>",
                "This line simply ends with a greater than symbol, it should not be modified>" };

        Console.WriteLine("The following lists the items before the ends have been stripped:");
        Console.WriteLine("-----------------------------------------------------------------");

        // print out the initial array of strings
        foreach ( string s in strSource )
            Console.WriteLine( s );

        Console.WriteLine();

        Console.WriteLine("The following lists the items after the ends have been stripped:");
        Console.WriteLine("----------------------------------------------------------------");

        // print out the array of strings
        foreach (var s in strSource)
            Console.WriteLine(StripEndTags(s));
    }

    private static string StripEndTags( string item ) {

        bool found = false;

        // try to find a tag at the end of the line using EndsWith
        if (item.Trim().EndsWith(">")) {

            // now search for the opening tag...
            int lastLocation = item.LastIndexOf( "</" );

            // remove the identified section, if it is a valid region
            if ( lastLocation >= 0 ) {
                found = true;
                item =  item.Substring( 0, lastLocation );
            }
        }

        if (found)
           item = StripEndTags(item);

        return item;
    }
}
// The example displays the following output:
//    The following lists the items before the ends have been stripped:
//    -----------------------------------------------------------------
//    <b>This is bold text</b>
//    <H1>This is large Text</H1>
//    <b><i><font color=green>This has multiple tags</font></i></b>
//    <b>This has <i>embedded</i> tags.</b>
//    This line simply ends with a greater than symbol, it should not be modified>
//
//    The following lists the items after the ends have been stripped:
//    ----------------------------------------------------------------
//    <b>This is bold text
//    <H1>This is large Text
//    <b><i><font color=green>This has multiple tags
//    <b>This has <i>embedded</i> tags.
//    This line simply ends with a greater than symbol, it should not be modified>

let rec stripEndTags item =
    let mutable item: string = item
    let mutable found = false

    // try to find a tag at the end of the line using EndsWith
    if item.Trim().EndsWith ">" then
        // now search for the opening tag...
        let lastLocation = item.LastIndexOf "</"

        // remove the identified section, if it is a valid region
        if lastLocation >= 0 then
            found <- true
            item <- item.Substring(0, lastLocation)

    if found then
        stripEndTags item
    else 
        item

// process an input file that contains html tags.
// this sample checks for multiple tags at the end of the line, rather than simply
// removing the last one.
// note: HTML markup tags always end in a greater than symbol (>).

let strSource = 
    [| "<b>This is bold text</b>"; "<H1>This is large Text</H1>"
       "<b><i><font color=green>This has multiple tags</font></i></b>"
       "<b>This has <i>embedded</i> tags.</b>"
       "This line simply ends with a greater than symbol, it should not be modified>" |]

printfn "The following lists the items before the ends have been stripped:"
printfn "-----------------------------------------------------------------"

// print out the initial array of strings
for s in strSource do
    printfn $"{s}"

printfn "\nThe following lists the items after the ends have been stripped:"
printfn "----------------------------------------------------------------"

// print out the array of strings
for s in strSource do
    printfn $"{stripEndTags s}"

// The example displays the following output:
//    The following lists the items before the ends have been stripped:
//    -----------------------------------------------------------------
//    <b>This is bold text</b>
//    <H1>This is large Text</H1>
//    <b><i><font color=green>This has multiple tags</font></i></b>
//    <b>This has <i>embedded</i> tags.</b>
//    This line simply ends with a greater than symbol, it should not be modified>
//
//    The following lists the items after the ends have been stripped:
//    ----------------------------------------------------------------
//    <b>This is bold text
//    <H1>This is large Text
//    <b><i><font color=green>This has multiple tags
//    <b>This has <i>embedded</i> tags.
//    This line simply ends with a greater than symbol, it should not be modified>

Public Module Example
    Public Sub Main()
        Dim strSource() As String = { "<b>This is bold text</b>", 
                    "<H1>This is large Text</H1>", 
                    "<b><i><font color = green>This has multiple tags</font></i></b>", 
                    "<b>This has <i>embedded</i> tags.</b>", 
                    "This line simply ends with a greater than symbol, it should not be modified>" }

        Console.WriteLine("The following lists the items before the ends have been stripped:")
        Console.WriteLine("-----------------------------------------------------------------")

        ' Display the initial array of strings.
        For Each s As String In  strSource
            Console.WriteLine(s)
        Next
        Console.WriteLine()

        Console.WriteLine("The following lists the items after the ends have been stripped:")
        Console.WriteLine("----------------------------------------------------------------")

        ' Display the array of strings.
        For Each s As String In strSource
            Console.WriteLine(StripEndTags(s))
        Next 
    End Sub 

    Private Function StripEndTags(item As String) As String
        Dim found As Boolean = False
        
        ' Try to find a tag at the end of the line using EndsWith.
        If item.Trim().EndsWith(">") Then
            ' now search for the opening tag...
            Dim lastLocation As Integer = item.LastIndexOf("</")
            If lastLocation >= 0 Then
                found = True
                
                ' Remove the identified section, if it is a valid region.
                item = item.Substring(0, lastLocation)
            End If
        End If
        
        If found Then item = StripEndTags(item)
        Return item
    End Function 
End Module
' The example displays the following output:
'    The following lists the items before the ends have been stripped:
'    -----------------------------------------------------------------
'    <b>This is bold text</b>
'    <H1>This is large Text</H1>
'    <b><i><font color = green>This has multiple tags</font></i></b>
'    <b>This has <i>embedded</i> tags.</b>
'    This line simply ends with a greater than symbol, it should not be modified>
'    
'    The following lists the items after the ends have been stripped:
'    ----------------------------------------------------------------
'    <b>This is bold text
'    <H1>This is large Text
'    <b><i><font color = green>This has multiple tags
'    <b>This has <i>embedded</i> tags.
'    This line simply ends with a greater than symbol, it should not be modified>

Комментарии

Этот метод сравнивает value подстроку в конце экземпляра, которая имеет ту же длину value, что и , и возвращает значение, указывающее, равны ли они. Чтобы быть равным, value должен быть ссылкой на этот же экземпляр или соответствовать концу этого экземпляра.

Этот метод выполняет сравнение слов (с учетом регистра и языка и региональных параметров) с использованием текущего языка и региональных параметров.

Примечания для тех, кто вызывает этот метод

Как описано в разделе Рекомендации по использованию строк, рекомендуется не вызывать методы сравнения строк, заменяющие значения по умолчанию, и вместо этого вызывать методы, требующие явного указания параметров. Чтобы определить, заканчивается ли строка определенной подстрокой с помощью правил сравнения строк текущего языка и региональных параметров, явно сообщите о своем намерении, вызвав перегрузку EndsWith(String, StringComparison) метода со значением CurrentCulture для параметра comparisonType . Если вам не требуется лингвистическое сравнение, рассмотрите возможность использования Ordinal.

См. также раздел

Применяется к

EndsWith(String, StringComparison)

Исходный код:
String.Comparison.cs
Исходный код:
String.Comparison.cs
Исходный код:
String.Comparison.cs

Определяет, совпадает ли конец экземпляра строки с заданной строкой при сравнении с учетом заданного параметра сравнения.

public:
 bool EndsWith(System::String ^ value, StringComparison comparisonType);
public bool EndsWith (string value, StringComparison comparisonType);
[System.Runtime.InteropServices.ComVisible(false)]
public bool EndsWith (string value, StringComparison comparisonType);
member this.EndsWith : string * StringComparison -> bool
[<System.Runtime.InteropServices.ComVisible(false)>]
member this.EndsWith : string * StringComparison -> bool
Public Function EndsWith (value As String, comparisonType As StringComparison) As Boolean

Параметры

value
String

Строка, которую необходимо сравнить с подстрокой, расположенной в конце этого экземпляра.

comparisonType
StringComparison

Одно из значений перечисления, определяющее способ сравнения данной строки со значением value.

Возвращаемое значение

Boolean

true, если параметр value соответствует концу данной строки; в противном случае — false.

Атрибуты
ComVisibleAttribute

Исключения

ArgumentNullException

value имеет значение null.

ArgumentException

comparisonType не является значением StringComparison.

Примеры

В следующем примере определяется, заканчивается ли строка определенной подстрокой. На результаты влияет выбор языка и региональных параметров, игнорируется ли регистр и выполняется порядковый номер сравнения.

// This example demonstrates the 
// System.String.EndsWith(String, StringComparison) method.

using namespace System;
using namespace System::Threading;

void Test(String^ testString, String^ searchString, 
     StringComparison comparison)
{
    String^ resultFormat = "\"{0}\" {1} with \"{2}\".";
    String^ resultString = "does not end";

    if (testString->EndsWith(searchString, comparison))
    {
        resultString = "ends";
    }
    Console::WriteLine(resultFormat, testString, resultString, searchString);
}

int main()
{
    String^ introMessage =
        "Determine whether a string ends with another string, " +
        "using\ndifferent values of StringComparison.";

    array<StringComparison>^ comparisonValues = {
        StringComparison::CurrentCulture,
        StringComparison::CurrentCultureIgnoreCase,
        StringComparison::InvariantCulture,
        StringComparison::InvariantCultureIgnoreCase,
        StringComparison::Ordinal,
        StringComparison::OrdinalIgnoreCase};

    Console::WriteLine(introMessage);

    // Display the current culture because the culture-specific comparisons
    // can produce different results with different cultures.
    Console::WriteLine("The current culture is {0}.\n",
        Thread::CurrentThread->CurrentCulture->Name);
    // Perform two tests for each StringComparison
    for each (StringComparison stringCmp in comparisonValues)
    {
        Console::WriteLine("StringComparison.{0}:", stringCmp);
        Test("abcXYZ", "XYZ", stringCmp);
        Test("abcXYZ", "xyz", stringCmp);
        Console::WriteLine();
    }
}

/*
This code example produces the following results:

Determine whether a string ends with another string, using
different values of StringComparison.
The current culture is en-US.

StringComparison.CurrentCulture:
"abcXYZ" ends with "XYZ".
"abcXYZ" does not end with "xyz".

StringComparison.CurrentCultureIgnoreCase:
"abcXYZ" ends with "XYZ".
"abcXYZ" ends with "xyz".

StringComparison.InvariantCulture:
"abcXYZ" ends with "XYZ".
"abcXYZ" does not end with "xyz".

StringComparison.InvariantCultureIgnoreCase:
"abcXYZ" ends with "XYZ".
"abcXYZ" ends with "xyz".

StringComparison.Ordinal:
"abcXYZ" ends with "XYZ".
"abcXYZ" does not end with "xyz".

StringComparison.OrdinalIgnoreCase:
"abcXYZ" ends with "XYZ".
"abcXYZ" ends with "xyz".

*/

// This example demonstrates the 
// System.String.EndsWith(String, StringComparison) method.

using System;
using System.Threading;

class Sample 
{
    public static void Main() 
    {
        string intro = "Determine whether a string ends with another string, " +
                   "using\n  different values of StringComparison.";

        StringComparison[] scValues = {
            StringComparison.CurrentCulture,
            StringComparison.CurrentCultureIgnoreCase,
            StringComparison.InvariantCulture,
            StringComparison.InvariantCultureIgnoreCase,
            StringComparison.Ordinal,
            StringComparison.OrdinalIgnoreCase };

        Console.WriteLine(intro);

        // Display the current culture because the culture-specific comparisons
        // can produce different results with different cultures.
        Console.WriteLine("The current culture is {0}.\n", 
                       Thread.CurrentThread.CurrentCulture.Name);
        
        // Determine whether three versions of the letter I are equal to each other. 
        foreach (StringComparison sc in scValues)
        {
            Console.WriteLine("StringComparison.{0}:", sc);
            Test("abcXYZ", "XYZ", sc);
            Test("abcXYZ", "xyz", sc);
            Console.WriteLine();
        }
    }

    protected static void Test(string x, string y, StringComparison comparison)
    {
        string resultFmt = "\"{0}\" {1} with \"{2}\".";
        string result = "does not end";

        if (x.EndsWith(y, comparison))
            result = "ends";
        Console.WriteLine(resultFmt, x, result, y);
    }
}

/*
This code example produces the following results:

Determine whether a string ends with another string, using
  different values of StringComparison.
The current culture is en-US.

StringComparison.CurrentCulture:
"abcXYZ" ends with "XYZ".
"abcXYZ" does not end with "xyz".

StringComparison.CurrentCultureIgnoreCase:
"abcXYZ" ends with "XYZ".
"abcXYZ" ends with "xyz".

StringComparison.InvariantCulture:
"abcXYZ" ends with "XYZ".
"abcXYZ" does not end with "xyz".

StringComparison.InvariantCultureIgnoreCase:
"abcXYZ" ends with "XYZ".
"abcXYZ" ends with "xyz".

StringComparison.Ordinal:
"abcXYZ" ends with "XYZ".
"abcXYZ" does not end with "xyz".

StringComparison.OrdinalIgnoreCase:
"abcXYZ" ends with "XYZ".
"abcXYZ" ends with "xyz".

*/

// This example demonstrates the 
// System.String.EndsWith(String, StringComparison) method.

open System
open System.Threading

let test (x: string) y (comparison: StringComparison) =
    let result = 
        if x.EndsWith(y, comparison) then
            "ends"
        else 
            "does not end"
    printfn $"\"{x}\" {result} with \"{y}\"."

let scValues = 
  [|
    StringComparison.CurrentCulture
    StringComparison.CurrentCultureIgnoreCase
    StringComparison.InvariantCulture
    StringComparison.InvariantCultureIgnoreCase
    StringComparison.Ordinal
    StringComparison.OrdinalIgnoreCase
  |]

printfn "Determine whether a string ends with another string, using\n  different values of StringComparison."

// Display the current culture because the culture-specific comparisons
// can produce different results with different cultures.
printfn $"The current culture is {Thread.CurrentThread.CurrentCulture.Name}.\n"

// Determine whether three versions of the letter I are equal to each other. 
for sc in scValues do
    printfn $"StringComparison.{sc}:"
    test "abcXYZ" "XYZ" sc
    test "abcXYZ" "xyz" sc
    printfn ""

(*
This code example produces the following results:

Determine whether a string ends with another string, using
  different values of StringComparison.
The current culture is en-US.

StringComparison.CurrentCulture:
"abcXYZ" ends with "XYZ".
"abcXYZ" does not end with "xyz".

StringComparison.CurrentCultureIgnoreCase:
"abcXYZ" ends with "XYZ".
"abcXYZ" ends with "xyz".

StringComparison.InvariantCulture:
"abcXYZ" ends with "XYZ".
"abcXYZ" does not end with "xyz".

StringComparison.InvariantCultureIgnoreCase:
"abcXYZ" ends with "XYZ".
"abcXYZ" ends with "xyz".

StringComparison.Ordinal:
"abcXYZ" ends with "XYZ".
"abcXYZ" does not end with "xyz".

StringComparison.OrdinalIgnoreCase:
"abcXYZ" ends with "XYZ".
"abcXYZ" ends with "xyz".

*)

' This example demonstrates the 
' System.String.EndsWith(String, StringComparison) method.

Imports System.Threading

Class Sample
    Public Shared Sub Main() 
        Dim intro As String = "Determine whether a string ends with another string, " & _
                              "using" & vbCrLf & "  different values of StringComparison."
        
        Dim scValues As StringComparison() =  { _
                        StringComparison.CurrentCulture, _
                        StringComparison.CurrentCultureIgnoreCase, _
                        StringComparison.InvariantCulture, _
                        StringComparison.InvariantCultureIgnoreCase, _
                        StringComparison.Ordinal, _
                        StringComparison.OrdinalIgnoreCase }

        Console.WriteLine(intro)
        
        ' Display the current culture because the culture-specific comparisons
        ' can produce different results with different cultures.
        Console.WriteLine("The current culture is {0}." & vbCrLf, _
                           Thread.CurrentThread.CurrentCulture.Name)

        ' Determine whether three versions of the letter I are equal to each other. 
        Dim sc As StringComparison
        For Each sc In  scValues
            Console.WriteLine("StringComparison.{0}:", sc)
            Test("abcXYZ", "XYZ", sc)
            Test("abcXYZ", "xyz", sc)
            Console.WriteLine()
        Next sc
    
    End Sub
    
    
    Protected Shared Sub Test(ByVal x As String, ByVal y As String, _
                              ByVal comparison As StringComparison) 
        Dim resultFmt As String = """{0}"" {1} with ""{2}""."
        Dim result As String = "does not end"
        '
        If x.EndsWith(y, comparison) Then
            result = "ends"
        End If
        Console.WriteLine(resultFmt, x, result, y)
    
    End Sub
End Class

'
'This code example produces the following results:
'
'Determine whether a string ends with another string, using
'  different values of StringComparison.
'The current culture is en-US.
'
'StringComparison.CurrentCulture:
'"abcXYZ" ends with "XYZ".
'"abcXYZ" does not end with "xyz".
'
'StringComparison.CurrentCultureIgnoreCase:
'"abcXYZ" ends with "XYZ".
'"abcXYZ" ends with "xyz".
'
'StringComparison.InvariantCulture:
'"abcXYZ" ends with "XYZ".
'"abcXYZ" does not end with "xyz".
'
'StringComparison.InvariantCultureIgnoreCase:
'"abcXYZ" ends with "XYZ".
'"abcXYZ" ends with "xyz".
'
'StringComparison.Ordinal:
'"abcXYZ" ends with "XYZ".
'"abcXYZ" does not end with "xyz".
'
'StringComparison.OrdinalIgnoreCase:
'"abcXYZ" ends with "XYZ".
'"abcXYZ" ends with "xyz".
'

Комментарии

Метод EndsWith сравнивает value параметр с подстрокой в конце этой строки и возвращает значение, указывающее, равны ли они. Чтобы быть равным, value должен быть ссылкой на эту же строку, должен быть пустой строкой (""), или должен соответствовать концу этой строки. Тип сравнения, выполняемого методом , EndsWith зависит от значения comparisonType параметра .

См. также раздел

Применяется к

EndsWith(String, Boolean, CultureInfo)

Исходный код:
String.Comparison.cs
Исходный код:
String.Comparison.cs
Исходный код:
String.Comparison.cs

Определяет, совпадает ли конец данного экземпляра строки с заданной строкой при сравнении с учетом заданного языка и региональных параметров.

public:
 bool EndsWith(System::String ^ value, bool ignoreCase, System::Globalization::CultureInfo ^ culture);
public bool EndsWith (string value, bool ignoreCase, System.Globalization.CultureInfo? culture);
public bool EndsWith (string value, bool ignoreCase, System.Globalization.CultureInfo culture);
member this.EndsWith : string * bool * System.Globalization.CultureInfo -> bool
Public Function EndsWith (value As String, ignoreCase As Boolean, culture As CultureInfo) As Boolean

Параметры

value
String

Строка, которую необходимо сравнить с подстрокой, расположенной в конце этого экземпляра.

ignoreCase
Boolean

Значение true, чтобы не учитывать регистр при сравнении; в противном случае — значение false.

culture
CultureInfo

Связанные с языком и региональными параметрами сведения, определяющие, как выполняется сравнение этого экземпляра и value. Если значением параметра culture является null, используется текущий язык и региональные параметры.

Возвращаемое значение

Boolean

true, если параметр value соответствует концу данной строки; в противном случае — false.

Исключения

ArgumentNullException

value имеет значение null.

Примеры

В следующем примере определяется, находится ли строка в конце другой строки. Метод EndsWith вызывается несколько раз с учетом регистра, учетом регистра и различными языками и региональными параметрами, которые влияют на результаты поиска.

// This code example demonstrates the 
// System.String.EndsWith(String, ..., CultureInfo) method.

using System;
using System.Threading;
using System.Globalization;

class Sample 
{
    public static void Main() 
    {
        string msg1 = "Search for the target string \"{0}\" in the string \"{1}\".\n";
        string msg2 = "Using the {0} - \"{1}\" culture:";
        string msg3 = "  The string to search ends with the target string: {0}";
        bool result = false;
        CultureInfo ci;

        // Define a target string to search for.
        // U+00c5 = LATIN CAPITAL LETTER A WITH RING ABOVE
        string capitalARing = "\u00c5";

        // Define a string to search. 
        // The result of combining the characters LATIN SMALL LETTER A and COMBINING 
        // RING ABOVE (U+0061, U+030a) is linguistically equivalent to the character 
        // LATIN SMALL LETTER A WITH RING ABOVE (U+00e5).
        string xyzARing = "xyz" + "\u0061\u030a";

        // Display the string to search for and the string to search.
        Console.WriteLine(msg1, capitalARing, xyzARing);

        // Search using English-United States culture.
        ci = new CultureInfo("en-US");
        Console.WriteLine(msg2, ci.DisplayName, ci.Name);

        Console.WriteLine("Case sensitive:");
        result = xyzARing.EndsWith(capitalARing, false, ci);
        Console.WriteLine(msg3, result);

        Console.WriteLine("Case insensitive:");
        result = xyzARing.EndsWith(capitalARing, true, ci);
        Console.WriteLine(msg3, result);
        Console.WriteLine();

        // Search using Swedish-Sweden culture.
        ci = new CultureInfo("sv-SE");
        Console.WriteLine(msg2, ci.DisplayName, ci.Name);

        Console.WriteLine("Case sensitive:");
        result = xyzARing.EndsWith(capitalARing, false, ci);
        Console.WriteLine(msg3, result);

        Console.WriteLine("Case insensitive:");
        result = xyzARing.EndsWith(capitalARing, true, ci);
        Console.WriteLine(msg3, result);
    }
}

/*
This code example produces the following results (for en-us culture):

Search for the target string "Å" in the string "xyza°".

Using the English (United States) - "en-US" culture:
Case sensitive:
  The string to search ends with the target string: False
Case insensitive:
  The string to search ends with the target string: True

Using the Swedish (Sweden) - "sv-SE" culture:
Case sensitive:
  The string to search ends with the target string: False
Case insensitive:
  The string to search ends with the target string: False

*/

// This code example demonstrates the 
// System.String.EndsWith(String, ..., CultureInfo) method.
open System.Globalization

[<EntryPoint>]
let main _ =
    // Define a target string to search for.
    // U+00c5 = LATIN CAPITAL LETTER A WITH RING ABOVE
    let capitalARing = "\u00c5"

    // Define a string to search. 
    // The result of combining the characters LATIN SMALL LETTER A and COMBINING 
    // RING ABOVE (U+0061, U+030a) is linguistically equivalent to the character 
    // LATIN SMALL LETTER A WITH RING ABOVE (U+00e5).
    let xyzARing = "xyz" + "\u0061\u030a"

    // Display the string to search for and the string to search.
    printfn $"Search for the target string \"{capitalARing}\" in the string \"{xyzARing}\".\n"

    // Search using English-United States culture.
    let ci = CultureInfo "en-US"
    printfn $"Using the {ci.DisplayName} - \"{ci.Name}\" culture:"

    printfn "Case sensitive:"
    let result = xyzARing.EndsWith(capitalARing, false, ci)
    printfn $"  The string to search ends with the target string: {result}"

    printfn "Case insensitive:"
    let result = xyzARing.EndsWith(capitalARing, true, ci)
    printfn $"  The string to search ends with the target string: {result}\n"

    // Search using Swedish-Sweden culture.
    let ci = CultureInfo "sv-SE"
    printfn $"Using the {ci.DisplayName} - \"{ci.Name}\" culture:"

    printfn "Case sensitive:"
    let result = xyzARing.EndsWith(capitalARing, false, ci)
    printfn $"  The string to search ends with the target string: {result}"

    printfn "Case insensitive:"
    let result = xyzARing.EndsWith(capitalARing, true, ci)
    printfn $"  The string to search ends with the target string: {result}"
    0
(*
This code example produces the following results (for en-us culture):

Search for the target string "Å" in the string "xyza°".

Using the English (United States) - "en-US" culture:
Case sensitive:
  The string to search ends with the target string: False
Case insensitive:
  The string to search ends with the target string: True

Using the Swedish (Sweden) - "sv-SE" culture:
Case sensitive:
  The string to search ends with the target string: False
Case insensitive:
  The string to search ends with the target string: False
*)

' This code example demonstrates the 
' System.String.EndsWith(String, ..., CultureInfo) method.

Imports System.Threading
Imports System.Globalization

Class Sample
    Public Shared Sub Main() 
        Dim msg1 As String = "Search for the target string ""{0}"" in the string ""{1}""." & vbCrLf
        Dim msg2 As String = "Using the {0} - ""{1}"" culture:"
        Dim msg3 As String = "  The string to search ends with the target string: {0}"
        Dim result As Boolean = False
        Dim ci As CultureInfo
        
        ' Define a target string to search for.
        ' U+00c5 = LATIN CAPITAL LETTER A WITH RING ABOVE
        Dim capitalARing As String = "Å"
        
        ' Define a string to search. 
        ' The result of combining the characters LATIN SMALL LETTER A and COMBINING 
        ' RING ABOVE (U+0061, U+030a) is linguistically equivalent to the character 
        ' LATIN SMALL LETTER A WITH RING ABOVE (U+00e5).
        Dim xyzARing As String = "xyz" & "å"
               
        ' Display the string to search for and the string to search.
        Console.WriteLine(msg1, capitalARing, xyzARing)
        
        ' Search using English-United States culture.
        ci = New CultureInfo("en-US")
        Console.WriteLine(msg2, ci.DisplayName, ci.Name)
        
        Console.WriteLine("Case sensitive:")
        result = xyzARing.EndsWith(capitalARing, False, ci)
        Console.WriteLine(msg3, result)
        
        Console.WriteLine("Case insensitive:")
        result = xyzARing.EndsWith(capitalARing, True, ci)
        Console.WriteLine(msg3, result)
        Console.WriteLine()
        
        ' Search using Swedish-Sweden culture.
        ci = New CultureInfo("sv-SE")
        Console.WriteLine(msg2, ci.DisplayName, ci.Name)
        
        Console.WriteLine("Case sensitive:")
        result = xyzARing.EndsWith(capitalARing, False, ci)
        Console.WriteLine(msg3, result)
        
        Console.WriteLine("Case insensitive:")
        result = xyzARing.EndsWith(capitalARing, True, ci)
        Console.WriteLine(msg3, result)
    
    End Sub
End Class

'This code example produces the following results (for en-us culture):
'
'Search for the target string "Å" in the string "xyza°".
'
'Using the English (United States) - "en-US" culture:
'Case sensitive:
'  The string to search ends with the target string: False
'Case insensitive:
'  The string to search ends with the target string: True
'
'Using the Swedish (Sweden) - "sv-SE" culture:
'Case sensitive:
'  The string to search ends with the target string: False
'Case insensitive:
'  The string to search ends with the target string: False
'

Комментарии

Этот метод сравнивает value параметр с подстрокой в конце строки, которая имеет ту же длину value, что и , и возвращает значение, указывающее, равны ли они. Чтобы быть равным, value должен быть ссылкой на этот же экземпляр или соответствовать концу этой строки.

Этот метод выполняет сравнение слов (с учетом языка и региональных параметров), используя указанные регистр и язык и региональные параметры.

См. также раздел

Применяется к