Find the index of the last occurrence of any character in the string "is" within another string. : String Find « Data Type « VB.Net Tutorial






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  3. String Find
Imports System

Class Sample
   Public Shared Sub Main()
      Dim str As String = "this is a test."
      Dim start As Integer
      Dim at As Integer
      Dim target As String = "is"
      Dim anyOf As Char() = target.ToCharArray()

      at = str.LastIndexOfAny(anyOf)
      If at > - 1 Then
         Console.Write(at)
      Else
         Console.Write("(not found)")
      End If
   End Sub
End Class








2.33.String Find
2.33.1.Demonstrating StartsWith and EndsWith methods
2.33.2.Return the index of the string
2.33.3.Use IndexOf to locate a substring in a string
2.33.4.Use LastIndexOf to find a substring in a string
2.33.5.Use IndexOfAny to find first occurrence of character in array
2.33.6.Use LastIndexOfAny to find first occurrence of character in array
2.33.7.String Index of any
2.33.8.Use the LastIndexOf(Char) method to find the last directory separator character in a string
2.33.9.EndsWith method.
2.33.10.Find the index of the last occurrence of any character in the string "is" within another string.
2.33.11.IsMatch(String) determines whether a string is a valid to Regular expression