CompareOptions Sabit listesi

Tanım

Ad Alanı:: System.Globalization

Bütünleştirilmiş Kodlar:: mscorlib.dll, System.Globalization.dll

Bütünleştirilmiş Kod:: mscorlib.dll

Bütünleştirilmiş Kod:: System.Globalization.dll

Bütünleştirilmiş Kod:: netstandard.dll

Önemli

Bazı bilgiler ürünün ön sürümüyle ilgilidir ve sürüm öncesinde önemli değişiklikler yapılmış olabilir. Burada verilen bilgilerle ilgili olarak Microsoft açık veya zımni hiçbir garanti vermez.

CompareInfoile kullanılacak dize karşılaştırma seçeneklerini tanımlar.

Bu sabit listesi, üyeleri için bit düzeyinde karşılaştırmayı destekler.

public enum class CompareOptions

[System.Flags]
public enum CompareOptions

[System.Flags]
[System.Serializable]
public enum CompareOptions

[System.Flags]
[System.Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public enum CompareOptions

[<System.Flags>]
type CompareOptions =

[<System.Flags>]
[<System.Serializable>]
type CompareOptions =

[<System.Flags>]
[<System.Serializable>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type CompareOptions =

Public Enum CompareOptions

Devralma: Object

ValueType

Enum
CompareOptions

Öznitelikler: FlagsAttribute SerializableAttribute ComVisibleAttribute

Alanlar

Name	Değer	Description
None	0	Varsayılan seçenek ayarlarıyla bir dize karşılaştırması.
IgnoreCase	1	Büyük/küçük harf farklarını yoksayan bir dize karşılaştırması.
IgnoreNonSpace	2	Aksan gibi geçirgen olmayan birleştirme karakterlerini yoksayan bir dize karşılaştırması. Geçirgen olmayan karakterler, kendi boşluklarını kaplamadan temel karakterleri değiştirir. Unicode Standart, karakterleri birleştirerek yeni bir karakter oluşturmak için temel karakterlerle birleştirilen karakterler olarak tanımlar.
IgnoreSymbols	4	Boşluk, noktalama işareti, para birimi simgeleri, yüzde işareti, matematiksel simgeler, ve işareti ve benzeri karakterler de dahil olmak üzere simgeleri yoksayan bir dize karşılaştırması.
IgnoreKanaType	8	Kana türünü yoksayan bir dize karşılaştırması. Kana türü fonetik sesleri temsil eden Japonca hiragana ve katakana karakterlerini ifade eder. Hiragana yerel Japonca sözcükler için kullanılırken katakana diğer dillerden ödünç alınan sözcükler için kullanılır. Bu seçenekle, aynı sesi temsil eden hiragana ve katakana karakterleri eşit kabul edilir.
IgnoreWidth	16	Karakter genişliğini yoksayan bir dize karşılaştırması. Örneğin, Japonca katakana karakterlerinin tam genişlikli ve yarım genişlikli biçimleri bu seçenekle eşit kabul edilir.
OrdinalIgnoreCase	268435456	Büyük/küçük harf karşılaştırmasını yoksayan ve ardından sıralı karşılaştırma gerçekleştiren bir dize karşılaştırması. Bu teknik, sabit kültürü kullanarak dizeyi büyük harfe dönüştürmeye ve ardından sonuç üzerinde sıralı bir karşılaştırma yapmaya eşdeğerdir. `This value can't be combined with other <xref data-throw-if-not-resolved="true" uid="System.Globalization.CompareOptions"></xref> values and must be used alone.`
StringSort	536870912	Dize sıralama algoritmasını kullanan ve sayısal olmayan simgelerin (kısa çizgiler ve kesme işaretleri gibi) alfasayısal karakterlerden önce sıralandığı dize karşılaştırması.
Ordinal	1073741824	Dizelerin Unicode UTF-16 kodlanmış değerlerini kullanan ve kod birimini kod birimine göre karşılaştıran bir dize karşılaştırması. Bu, dizelerin yalnızca ikili değerlerine göre sıralandığı hızlı, kültüre duyarsız bir karşılaştırmaya neden olur. Bu seçenek diğer CompareOptions değerlerle birleştirilemiyor ve tek başına kullanılmalıdır.

Örnekler

Aşağıdaki kod örneği, değerlerin CompareOptions her birinin dize karşılaştırmalarını nasıl etkilediğini gösterir.

using System;
using System.Globalization;

public class CompareOptionsExample
{
    public static void Run()
    {
        // Uppercase and lowercase characters are equivalent (according to the culture rules)
        // when IgnoreCase is used.
        TestStringEquality("ONE two", "one TWO", "Case sensitivity", CompareOptions.IgnoreCase);

        // Punctuation is ignored with the IgnoreSymbols option.
        TestStringEquality("hello world", "hello, world!", "Punctuation", CompareOptions.IgnoreSymbols);

        // Whitespace and mathematical symbols are also ignored with IgnoreSymbols.
        TestStringEquality("3 + 5 = 8", "358", "Whitespace and mathematical symbols", CompareOptions.IgnoreSymbols);

        // Caution: currency symbols and thousands separators are ignored with IgnoreSymbols.
        // Parse strings containing numbers/currency and compare them numerically instead.
        TestStringEquality("Total $15,000", "Total: £150.00", "Currency symbols, decimals and thousands separators", CompareOptions.IgnoreSymbols);

        // Full width characters are common in East Asian languages. Use the IgnoreWidth
        // option to treat full- and half-width characters as equal.
        TestStringEquality("ａｂｃ，－", "abc,-", "Half width and full width characters", CompareOptions.IgnoreWidth);

        // The same string in Hiragana and Katakana is equal when IgnoreKanaType is used.
        TestStringEquality("ありがとう", "アリガトウ", "Hiragana and Katakana strings", CompareOptions.IgnoreKanaType);

        // When comparing with the IgnoreNonSpace option, characters like diacritical marks are ignored.
        TestStringEquality("café", "cafe", "Diacritical marks", CompareOptions.IgnoreNonSpace);

        // Ligature characters and their non-ligature forms compare equal with the IgnoreNonSpace option.
        // Note: prior to .NET 5, ligature characters were equal to their expanded forms by default.
        TestStringEquality("straße œuvre cæsar", "strasse oeuvre caesar", "Ligature characters", CompareOptions.IgnoreNonSpace);
    }

    private static void TestStringEquality(string str1, string str2, string description, CompareOptions options)
    {
        Console.WriteLine(Environment.NewLine + description + ":");
        // First test with the default CompareOptions then with the provided options
        TestStringEquality(str1, str2, CompareOptions.None);
        TestStringEquality(str1, str2, options);
    }

    private static void TestStringEquality(string str1, string str2, CompareOptions options)
    {
        Console.Write($"  When using CompareOptions.{options}, \"{str1}\" and \"{str2}\" are ");
        if (string.Compare(str1, str2, CultureInfo.InvariantCulture, options) != 0)
        {
            Console.Write("not ");
        }
        Console.WriteLine("equal.");
    }
}

/*
In .NET 5 and later, the output is the following:
 
Case sensitivity:
  When using CompareOptions.None, "ONE two" and "one TWO" are not equal.
  When using CompareOptions.IgnoreCase, "ONE two" and "one TWO" are equal.

Punctuation:
  When using CompareOptions.None, "hello world" and "hello, world!" are not equal.
  When using CompareOptions.IgnoreSymbols, "hello world" and "hello, world!" are equal.

Whitespace and mathematical symbols:
  When using CompareOptions.None, "3 + 5 = 8" and "358" are not equal.
  When using CompareOptions.IgnoreSymbols, "3 + 5 = 8" and "358" are equal.

Currency symbols, decimals and thousands separators:
  When using CompareOptions.None, "Total $15,000" and "Total: £150.00" are not equal.
  When using CompareOptions.IgnoreSymbols, "Total $15,000" and "Total: £150.00" are equal.

Half width and full width characters:
  When using CompareOptions.None, "ａｂｃ，－" and "abc,-" are not equal.
  When using CompareOptions.IgnoreWidth, "ａｂｃ，－" and "abc,-" are equal.

Hiragana and Katakana strings:
  When using CompareOptions.None, "ありがとう" and "アリガトウ" are not equal.
  When using CompareOptions.IgnoreKanaType, "ありがとう" and "アリガトウ" are equal.

Diacritical marks:
  When using CompareOptions.None, "café" and "cafe" are not equal.
  When using CompareOptions.IgnoreNonSpace, "café" and "cafe" are equal.

Ligature characters:
  When using CompareOptions.None, "straße œuvre cæsar" and "strasse oeuvre caesar" are not equal.
  When using CompareOptions.IgnoreNonSpace, "straße œuvre cæsar" and "strasse oeuvre caesar" are equal.

Note: When using .NET versions prior to .NET 5, ligature characters compare as equal to their
non-ligature counterparts by default, so the last test will output as follows:

Ligature characters:
  When using CompareOptions.None, "straße œuvre cæsar" and "strasse oeuvre caesar" are equal.
  When using CompareOptions.IgnoreNonSpace, "straße œuvre cæsar" and "strasse oeuvre caesar" are equal.
*/

module compareoptions_values

open System
open System.Globalization

let testStringEquality (str1: string) (str2: string) (description: string) (options: CompareOptions) =
    printfn "\n%s:" description

    let compareAndPrint opts =
        let result = String.Compare(str1, str2, CultureInfo.InvariantCulture, opts)
        let equalityStatus = if result = 0 then "equal" else "not equal"
        printfn "  When using CompareOptions.%A, \"%s\" and \"%s\" are %s." opts str1 str2 equalityStatus

    compareAndPrint CompareOptions.None
    compareAndPrint options

[<EntryPoint>]
let main argv =
    // Uppercase and lowercase characters are equivalent (according to the culture rules) when IgnoreCase is used.
    testStringEquality "ONE two" "one TWO" "Case sensitivity" CompareOptions.IgnoreCase

    // Punctuation is ignored with the IgnoreSymbols option.
    testStringEquality "hello world" "hello, world!" "Punctuation" CompareOptions.IgnoreSymbols

    // Whitespace and mathematical symbols are also ignored with IgnoreSymbols.
    testStringEquality "3 + 5 = 8" "358" "Whitespace and mathematical symbols" CompareOptions.IgnoreSymbols

    // Caution: currency symbols and thousands separators are ignored with IgnoreSymbols.
    // Parse strings containing numbers/currency and compare them numerically instead.
    testStringEquality "Total $15,000" "Total: £150.00" "Currency symbols, decimals and thousands separators" CompareOptions.IgnoreSymbols

    // Full width characters are common in East Asian languages. Use the IgnoreWidth
    // option to treat full- and half-width characters as equal.
    testStringEquality "ａｂｃ，－" "abc,-" "Half width and full width characters" CompareOptions.IgnoreWidth

    // The same string in Hiragana and Katakana is equal when IgnoreKanaType is used.
    testStringEquality "ありがとう" "アリガトウ" "Hiragana and Katakana strings" CompareOptions.IgnoreKanaType

    // When comparing with the IgnoreNonSpace option, characters like diacritical marks are ignored.
    testStringEquality "café" "cafe" "Diacritical marks" CompareOptions.IgnoreNonSpace

    // Ligature characters and their non-ligature forms compare equal with the IgnoreNonSpace option.
    // Note: prior to .NET 5, ligature characters were equal to their expanded forms by default.
    testStringEquality "straße œuvre cæsar" "strasse oeuvre caesar" "Ligature characters" CompareOptions.IgnoreNonSpace

    0 // return an integer exit code

(*
In .NET 5 and later, the output will be the following:

Case sensitivity:
  When using CompareOptions.None, "ONE two" and "one TWO" are not equal.
  When using CompareOptions.IgnoreCase, "ONE two" and "one TWO" are equal.

Punctuation:
  When using CompareOptions.None, "hello world" and "hello, world!" are not equal.
  When using CompareOptions.IgnoreSymbols, "hello world" and "hello, world!" are equal.

Whitespace and mathematical symbols:
  When using CompareOptions.None, "3 + 5 = 8" and "358" are not equal.
  When using CompareOptions.IgnoreSymbols, "3 + 5 = 8" and "358" are equal.

Currency symbols, decimals and thousands separators:
  When using CompareOptions.None, "Total $15,000" and "Total: £150.00" are not equal.
  When using CompareOptions.IgnoreSymbols, "Total $15,000" and "Total: £150.00" are equal.

Half width and full width characters:
  When using CompareOptions.None, "ａｂｃ，－" and "abc,-" are not equal.
  When using CompareOptions.IgnoreWidth, "ａｂｃ，－" and "abc,-" are equal.

Hiragana and Katakana strings:
  When using CompareOptions.None, "ありがとう" and "アリガトウ" are not equal.
  When using CompareOptions.IgnoreKanaType, "ありがとう" and "アリガトウ" are equal.

Diacritical marks:
  When using CompareOptions.None, "café" and "cafe" are not equal.
  When using CompareOptions.IgnoreNonSpace, "café" and "cafe" are equal.

Ligature characters:
  When using CompareOptions.None, "straße œuvre cæsar" and "strasse oeuvre caesar" are not equal.
  When using CompareOptions.IgnoreNonSpace, "straße œuvre cæsar" and "strasse oeuvre caesar" are equal.


Note: when using .NET versions prior to .NET 5, ligature characters compare as equal to their
non-ligature counterparts by default, so the last test will output as follows:

Ligature characters:
  When using CompareOptions.None, "straße œuvre cæsar" and "strasse oeuvre caesar" are equal.
  When using CompareOptions.IgnoreNonSpace, "straße œuvre cæsar" and "strasse oeuvre caesar" are equal.
*)

Imports System
Imports System.Globalization

Module CompareOptionsExample
    Sub Main()
        ' Uppercase and lowercase characters are equivalent (according to the culture rules)
        ' when IgnoreCase is used.
        TestStringEquality("ONE two", "one TWO", "Case sensitivity", CompareOptions.IgnoreCase)

        ' Punctuation is ignored with the IgnoreSymbols option.
        TestStringEquality("hello world", "hello, world!", "Punctuation", CompareOptions.IgnoreSymbols)

        ' Whitespace and mathematical symbols are also ignored with IgnoreSymbols.
        TestStringEquality("3 + 5 = 8", "358", "Whitespace and mathematical symbols", CompareOptions.IgnoreSymbols)

        ' Caution: currency symbols and thousands separators are ignored with IgnoreSymbols.
        ' Parse strings containing numbers/currency and compare them numerically instead.
        TestStringEquality("Total $15,000", "Total: £150.00", "Currency symbols, decimals and thousands separators", CompareOptions.IgnoreSymbols)

        ' Full width characters are common in East Asian languages. Use the IgnoreWidth
        ' option to treat full- and half-width characters as equal.
        TestStringEquality("ａｂｃ，－", "abc,-", "Half width and full width characters", CompareOptions.IgnoreWidth)

        ' The same string in Hiragana and Katakana is equal when IgnoreKanaType is used.
        TestStringEquality("ありがとう", "アリガトウ", "Hiragana and Katakana strings", CompareOptions.IgnoreKanaType)

        ' When comparing with the IgnoreNonSpace option, characters like diacritical marks are ignored.
        TestStringEquality("café", "cafe", "Diacritical marks", CompareOptions.IgnoreNonSpace)

        ' Ligature characters and their non-ligature forms compare equal with the IgnoreNonSpace option.
        ' Note: prior to .NET 5, ligature characters were equal to their expanded forms by default.
        TestStringEquality("straße œuvre cæsar", "strasse oeuvre caesar", "Ligature characters", CompareOptions.IgnoreNonSpace)
    End Sub

    Private Sub TestStringEquality(str1 As String, str2 As String, description As String, options As CompareOptions)
        Console.WriteLine(Environment.NewLine & description & ":")
        ' First test with the default CompareOptions then with the provided options
        TestStringEqualityWithOptions(str1, str2, CompareOptions.None)
        TestStringEqualityWithOptions(str1, str2, options)
    End Sub

    Private Sub TestStringEqualityWithOptions(str1 As String, str2 As String, options As CompareOptions)
        Console.Write($"  When using CompareOptions.{options}, ""{str1}"" and ""{str2}"" are ")
        If String.Compare(str1, str2, CultureInfo.InvariantCulture, options) <> 0 Then
            Console.Write("not ")
        End If
        Console.WriteLine("equal.")
    End Sub
End Module

' In .NET 5 and later, the output is the following:
'
'Case sensitivity :
'  When using CompareOptions.None, "ONE two" and "one TWO" are not equal.
'  When using CompareOptions.IgnoreCase, "ONE two" and "one TWO" are equal.
'
'Punctuation:
'  When using CompareOptions.None, "hello world" and "hello, world!" are not equal.
'  When using CompareOptions.IgnoreSymbols, "hello world" and "hello, world!" are equal.
'
'Whitespace And mathematical symbols:
'  When using CompareOptions.None, "3 + 5 = 8" and "358" are not equal.
'  When using CompareOptions.IgnoreSymbols, "3 + 5 = 8" and "358" are equal.
'
'Currency symbols, decimals And thousands separators:
'  When using CompareOptions.None, "Total $15,000" and "Total: £150.00" are not equal.
'  When using CompareOptions.IgnoreSymbols, "Total $15,000" and "Total: £150.00" are equal.
'
'Half width And full width characters:
'  When using CompareOptions.None, "ａｂｃ，－" and "abc,-" are not equal.
'  When using CompareOptions.IgnoreWidth, "ａｂｃ，－" and "abc,-" are equal.
'
'Hiragana And Katakana strings:
'  When using CompareOptions.None, "ありがとう" and "アリガトウ" are not equal.
'  When using CompareOptions.IgnoreKanaType, "ありがとう" and "アリガトウ" are equal.
'
'Diacritical marks :
'  When using CompareOptions.None, "café" and "cafe" are not equal.
'  When using CompareOptions.IgnoreNonSpace, "café" and "cafe" are equal.
'
'Ligature characters :
'  When using CompareOptions.None, "straße œuvre cæsar" and "strasse oeuvre caesar" are not equal.
'  When using CompareOptions.IgnoreNonSpace, "straße œuvre cæsar" and "strasse oeuvre caesar" are equal.
'
' Note: when using .NET versions prior to .NET 5, ligature characters compare as equal to their
' non-ligature counterparts by default, so the last test will output as follows:
'
'Ligature characters :
'  When using CompareOptions.None, "straße œuvre cæsar" and "strasse oeuvre caesar" are equal.
'  When using CompareOptions.IgnoreNonSpace, "straße œuvre cæsar" and "strasse oeuvre caesar" are equal.

Aşağıdaki kod örneği ile StringSort sıralamanın StringSort olmadan sıralamadan nasıl farklı olduğunu gösterir.

using System;
using System.Collections.Generic;
using System.Globalization;

public class StringSort
{
    public static void Run()
    {
        var wordList = new List<string>
        {
            "cant", "bill's", "coop", "cannot", "billet", "can't", "con", "bills", "co-op"
        };

        Console.WriteLine("Before sorting:");
        foreach (string word in wordList)
        {
            Console.WriteLine(word);
        }

        Console.WriteLine(Environment.NewLine + "After sorting with CompareOptions.None:");
        SortAndDisplay(wordList, CompareOptions.None);

        Console.WriteLine(Environment.NewLine + "After sorting with CompareOptions.StringSort:");
        SortAndDisplay(wordList, CompareOptions.StringSort);
    }

    // Sort the list of words with the supplied CompareOptions.
    private static void SortAndDisplay(List<string> unsorted, CompareOptions options)
    {
        // Create a copy of the original list to sort.
        var words = new List<string>(unsorted);
        // Define the CompareInfo to use to compare strings.
        CompareInfo comparer = CultureInfo.InvariantCulture.CompareInfo;

        // Sort the copy with the supplied CompareOptions then display.
        words.Sort((str1, str2) => comparer.Compare(str1, str2, options));
        foreach (string word in words)
        {
            Console.WriteLine(word);
        }
    }
}

/*
CompareOptions.None and CompareOptions.StringSort provide identical ordering by default
in .NET 5 and later. But in prior versions, the output is the following:

Before sorting:
cant
bill's
coop
cannot
billet
can't
con
bills
co-op

After sorting with CompareOptions.None:
billet
bills
bill's
cannot
cant
can't
con
coop
co-op

After sorting with CompareOptions.StringSort:
bill's
billet
bills
can't
cannot
cant
co-op
con
coop
*/

module compareoptions_stringsort

open System
open System.Collections.Generic
open System.Globalization

let sortAndDisplay (unsorted: List<string>) (options: CompareOptions) =
    let words = new List<string>(unsorted)
    let comparer = CultureInfo.InvariantCulture.CompareInfo
    words.Sort((fun str1 str2 -> comparer.Compare(str1, str2, options)))
    for word in words do
        printfn "%s" word

[<EntryPoint>]
let main argv =
    let wordList = new List<string>(
        ["cant"; "bill's"; "coop"; "cannot"; "billet"; "can't"; "con"; "bills"; "co-op"])

    printfn "Before sorting:"
    for word in wordList do
        printfn "%s" word

    printfn "\nAfter sorting with CompareOptions.None:"
    sortAndDisplay wordList CompareOptions.None

    printfn "\nAfter sorting with CompareOptions.StringSort:"
    sortAndDisplay wordList CompareOptions.StringSort

    0 // return an integer exit code

(*
CompareOptions.None and CompareOptions.StringSort provide identical ordering by default
in .NET 5 and later, but in prior versions, the output will be the following:

Before sorting:
cant
bill's
coop
cannot
billet
can't
con
bills
co-op

After sorting with CompareOptions.None:
billet
bills
bill's
cannot
cant
can't
con
coop
co-op

After sorting with CompareOptions.StringSort:
bill's
billet
bills
can't
cannot
cant
co-op
con
coop
*)

Imports System
Imports System.Collections.Generic
Imports System.Globalization

Public Class StringSort
    Public Shared Sub Main()
        Dim wordList As New List(Of String) From {
            "cant", "bill's", "coop", "cannot", "billet", "can't", "con", "bills", "co-op"
        }

        Console.WriteLine("Before sorting:")
        For Each word In wordList
            Console.WriteLine(word)
        Next

        Console.WriteLine(Environment.NewLine & "After sorting with CompareOptions.None:")
        SortAndDisplay(wordList, CompareOptions.None)

        Console.WriteLine(Environment.NewLine & "After sorting with CompareOptions.StringSort:")
        SortAndDisplay(wordList, CompareOptions.StringSort)
    End Sub

    ' Sort the list of words with the supplied CompareOptions.
    Private Shared Sub SortAndDisplay(unsorted As List(Of String), options As CompareOptions)
        ' Create a copy of the original list to sort.
        Dim words As New List(Of String)(unsorted)

        ' Define the CompareInfo to use to compare strings.
        Dim comparer As CompareInfo = CultureInfo.InvariantCulture.CompareInfo

        ' Sort the copy with the supplied CompareOptions then display.
        words.Sort(Function(str1, str2) comparer.Compare(str1, str2, options))

        For Each word In words
            Console.WriteLine(word)
        Next
    End Sub
End Class

' CompareOptions.None and CompareOptions.StringSort provide identical ordering by default
' in .NET 5 And later, but in prior versions, the output is the following:
'
'Before sorting
'cant
'bill's
'coop
'cannot
'billet
'can't
'con
'bills
'co-op

'After sorting with CompareOptions.None
'billet
'bills
'bill's
'cannot
'cant
'can't
'con
'coop
'co-op

'After sorting with CompareOptions.StringSort
'bill's
'billet
'bills
'can't
'cannot
'cant
'co-op
'con
'coop

Açıklamalar

.NET 5 ve sonraki sürümlerde, dize işleme için platformlar arası ICU (Unicode için Uluslararası Bileşenler) kitaplığı kullanılır. ICU kitaplığı, dize karşılaştırma davranışında aşağıdaki değişiklikleri getirir:

Varsayılan seçenek, seçenekle NoneStringSort eşdeğerdir. Alfasayısal ve nonalfanumerik karakterlere eşit ağırlıklamanın verildiği önceki işlevi Noneartık kullanılamaz.
Ligatürler ("æ" ve "œ" gibi birleşik karakterler), varsayılan olarak dize karşılaştırmalarında genişletilmiş biçimlerinden ("ae", "oe") ayrı olarak görülür. Ligatürleri ve genişletilmiş formlarını eşdeğer olarak işlemek için seçeneğini kullanın IgnoreNonSpace .

Önceki Unicode işleyicisini geri yükleme de dahil olmak üzere değişiklik hakkında daha fazla bilgi için bkz. .NET genelleştirme ve ICU.

Bu API hakkında daha fazla bilgi için bkz. CompareOptions için ek API açıklamaları.

Şunlara uygulanır

Ayrıca bkz.

.NETBasic Dize İşlemleri>

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