OrdinalIgnoreCase Property - 문자비교시 대소문자 처리 옵션

' This code example demonstrates members of the System.StringComparer class. Imports System Imports System.Collections Imports System.Collections.Generic Imports System.Globalization Imports System.Threading Class Sample Public Shared Sub Main() ' Create a list of string. Dim list As New List(Of String) ' Get the tr-TR (Turkish-Turkey) culture. Dim turkish As New CultureInfo("tr-TR") ' Get the culture that is associated with the current thread. Dim thisCulture As CultureInfo = Thread.CurrentThread.CurrentCulture ' Get the standard StringComparers. Dim invCmp As StringComparer = StringComparer.InvariantCulture Dim invICCmp As StringComparer = StringComparer.InvariantCultureIgnoreCase Dim currCmp As StringComparer = StringComparer.CurrentCulture Dim currICCmp As StringComparer = StringComparer.CurrentCultureIgnoreCase Dim ordCmp As StringComparer = StringComparer.Ordinal Dim ordICCmp As StringComparer = StringComparer.OrdinalIgnoreCase ' Create a StringComparer that uses the Turkish culture and ignores case. Dim turkICComp As StringComparer = StringComparer.Create(turkish, True) ' Define three strings consisting of different versions of the letter I. ' LATIN CAPITAL LETTER I (U+0049) Dim capitalLetterI As String = "I" ' LATIN SMALL LETTER I (U+0069) Dim smallLetterI As String = "i" ' LATIN SMALL LETTER DOTLESS I (U+0131) Dim smallLetterDotlessI As String = "ı" ' Add the three strings to the list. list.Add(capitalLetterI) list.Add(smallLetterI) list.Add(smallLetterDotlessI) ' Display the original list order. Display(list, "The original order of the list entries...") ' Sort the list using the invariant culture. list.Sort(invCmp) Display(list, "Invariant culture...") list.Sort(invICCmp) Display(list, "Invariant culture, ignore case...") ' Sort the list using the current culture. Console.WriteLine("The current culture is ""{0}"".", thisCulture.Name) list.Sort(currCmp) Display(list, "Current culture...") list.Sort(currICCmp) Display(list, "Current culture, ignore case...") ' Sort the list using the ordinal value of the character code points. list.Sort(ordCmp) Display(list, "Ordinal...") list.Sort(ordICCmp) Display(list, "Ordinal, ignore case...") ' Sort the list using the Turkish culture, which treats LATIN SMALL LETTER ' DOTLESS I differently than LATIN SMALL LETTER I. list.Sort(turkICComp) Display(list, "Turkish culture, ignore case...") End Sub 'Main Public Shared Sub Display(ByVal lst As List(Of String), ByVal title As String) Dim c As Char Dim s As String Dim codePoint As Integer Console.WriteLine(title) For Each s In lst c = s(0) codePoint = Convert.ToInt32(c) Console.WriteLine("0x{0:x}", codePoint) Next s Console.WriteLine() End Sub 'Display End Class 'Sample ' 'This code example produces the following results: ' 'The original order of the list entries... '0x49 '0x69 '0x131 ' 'Invariant culture... '0x69 '0x49 '0x131 ' 'Invariant culture, ignore case... '0x49 '0x69 '0x131 ' 'The current culture is "en-US". 'Current culture... '0x69 '0x49 '0x131 ' 'Current culture, ignore case... '0x49 '0x69 '0x131 ' 'Ordinal... '0x49 '0x69 '0x131 ' 'Ordinal, ignore case... '0x69 '0x49 '0x131 ' 'Turkish culture, ignore case... '0x131 '0x49 '0x69 '