String.Contains Method

Parameters

• value
  Type: System.String
  The string to seek.

Return Value

Type: System.Boolean
true if the value parameter occurs within this string, or if value is the empty string (""); otherwise, false.

' This example demonstrates the String.Contains() method

Class Example
   Public Shared Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)
      Dim s1 As String = "The quick brown fox jumps over the lazy dog"
      Dim s2 As String = "fox"
      Dim b As Boolean
      b = s1.Contains(s2)
      outputBlock.Text += String.Format("Is the string, s2, in the string, s1?: {0}", b) & vbCrLf
   End Sub 'Main
End Class 'Sample
'
'This example produces the following results:
'
'Is the string, s2, in the string, s1?: True
'

// This example demonstrates the String.Contains() method
using System;

class Example
{
   public static void Demo(System.Windows.Controls.TextBlock outputBlock)
   {
      string s1 = "The quick brown fox jumps over the lazy dog";
      string s2 = "fox";
      bool b;
      b = s1.Contains(s2);
      outputBlock.Text += String.Format("Is the string, s2, in the string, s1?: {0}", b) + "\n";
   }
}
/*
This example produces the following results:

Is the string, s2, in the string, s1?: True
*/