InStr Function in VB.NET
What is the use of InStr function in VB.NET?
Explanation
InStr Function
Instr String Function in Visual Basic.net 2008 is used to find the starting position of a substring inside a string.
Syntax:
Function InStr(ByVal Start As Integer,ByVal String1 As String,
ByVal String2 As String, Optional ByVal Compare As
CompareMethod) As Integer
In the above syntax
Start specifies the starting position for the search,
String1 specifies
the string to search, the substring specifed as
String2. The
Compare function specifies the type
of comparison to be followed.
Example:
Module Module1
Sub Main()
Console.WriteLine("Starting index of HI in the string
is::" & InStr("HI THIS IS CA CLUB", "HI"))
Console.ReadLine()
End Sub
End Module
Result:
Starting index of HI in the string is::1
In the above example, the Instr function returns 1 as the substring 'HI' is in the begining of the string.