How to VB.NET String.Contains()
The Contains method in the VB.NET String Class check the specified parameter String exist in the String
System.String.Contains(String str) As Boolean
Parameters:
String str - input String for search
Returns:
Boolean - Yes/No
If the str Contains in the String then it returns true
If the str does not Contains in the String it returns False
For ex: "This is a Test".Contains("is") return True
"This is a Test".Contains("yes") return False
Exceptions:
System.ArgumentNullException : If the argument is null
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Button1.Click
Dim str As String
str = "VB.NET TOP 10 BOOKS"
If str.Contains("TOP") = True Then
MsgBox("The string Contains() 'TOP' ")
Else
MsgBox("The String does not Contains() 'TOP'")
End If
End Sub
End Class
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When you run the program you will get the MessageBox with message "The string Contains() 'TOP' "
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