Char.IsControl tells whether the character is categorized as a control character. : Char « Data Types « VB.Net






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Char.IsControl tells whether the character is categorized as a control character.

 


Module ControlChar
   Public Sub Main()
      Dim sentence As String = "This is a " & vbCrLf & "two-line sentence."
      For ctr As Integer = 0 to sentence.Length - 1
         If Char.IsControl(sentence, ctr) Then
            Console.WriteLine(Convert.ToInt32(sentence.Chars(ctr)).ToString("X4"))
          End If
       Next   
   End Sub
End Module








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25.Char.IsControl indicates whether the specified Unicode character is categorized as a control character.
26.Char.IsDigit Method tells whether the specified Unicode character is categorized as a decimal digit.
27.Char.IsHighSurrogate Method tells whether the specified Char object is a high surrogate.
28.Is each of the following characters a high surrogate?
29.Is each of the following characters a low surrogate?
30.Characters a surrogate pair
31.Char.IsLetter Method tells whether the specified Unicode character is categorized as a Unicode letter.
32.Char.IsLower Method tells whether the specified Unicode character is categorized as a lowercase letter.
33.Char.IsNumber Method tells whether the specified Unicode character is categorized as a number.
34.Char.IsPunctuation Method tells whether the specified Unicode character is categorized as a punctuation mark.
35.Char.IsSeparator Method tells whether specified Unicode character is categorized as a separator character.
36.Char.IsSeparator Method (String, Int32) tells whether character at specified position is a separator character.
37.Char.IsSurrogate tells whether the specified character has a surrogate code point.
38.Char.IsSymbol Method tells whether the specified Unicode character is categorized as a symbol character.
39.Char.ToString converts Unicode character to string
40.Create a string from a character array
41.Is Surrogate Pair
42.Use Char.IsPunctuation and Char.IsWhiteSpace to split words
43.Char Structure