IsSeparator Method (String, Int32)
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Char.IsSeparator Method (String, Int32)

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Indicates whether the character at the specified position in a specified string is categorized as a separator character.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

'Declaration
Public Shared Function IsSeparator ( _
	s As String, _
	index As Integer _
) As Boolean

Parameters

s
Type: System.String
A string.
index
Type: System.Int32
The character position in s.

Return Value

Type: System.Boolean
true if the character at position index in s is a separator character; otherwise, false.

ExceptionCondition
ArgumentNullException

s is Nothing.

ArgumentOutOfRangeException

index is less than zero or greater than the last position in s.

Character positions in a string are indexed starting from zero.

The Unicode standard recognizes three subcategories of separators:

NoteNote:

The Unicode standard classifies the characters \u000A (LF), \u000C (FF), and \u000A (CR) as control characters (members of the UnicodeCategory.Control category), not as separator characters.

The following example demonstrates IsSeparator.



Module Example

   Public Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)

      Dim str As String
      str = "twain1 twain2"

      outputBlock.Text &= Char.IsSeparator("a"c) & vbCrLf       ' Output: "False"
      outputBlock.Text += String.Format(Char.IsSeparator(str, 6)) & vbCrLf     ' Output: "True"

   End Sub

End Module


Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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