String.Contains Method
.NET Framework 2.0
Note: This method is new in the .NET Framework version 2.0.
Returns a value indicating whether the specified String object occurs within this string.
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Assembly: mscorlib (in mscorlib.dll)
'Declaration Public Function Contains ( _ value As String _ ) As Boolean 'Usage Dim instance As String Dim value As String Dim returnValue As Boolean returnValue = instance.Contains(value)
public boolean Contains ( String value )
public function Contains ( value : String ) : boolean
Parameters
- value
The String object to seek.
Return Value
true if the value parameter occurs within this string, or if value is the empty string (""); otherwise, false.The following code example determines whether the string "fox" is a substring of a familiar quotation.
' This example demonstrates the String.Contains() method Imports System Class Sample Public Shared Sub Main() 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) Console.WriteLine("Is the string, s2, in the string, s1?: {0}", b) 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
import System.*;
class Sample
{
public static void main(String[] args)
{
String s1 = "The quick brown fox jumps over the lazy dog";
String s2 = "fox";
boolean b;
b = s1.Contains(s2);
Console.WriteLine("Is the string, s2, in the string, s1?: {0}",
(System.Boolean)b);
} //main
} //Sample
/*
This example produces the following results:
Is the string, s2, in the string, s1?: True
*/
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
Community Additions
ADD
Show: