This Excel tutorial explains how to use the Excel INSTR function with syntax and examples.
string is the string to search within.
substring is the substring that you want to find.
compare is optional. It is the type of comparison to perform. It can be one of the following values:
Let's look at some Excel INSTR function examples and explore how to use the INSTR function in Excel VBA code:
Description
The Microsoft Excel INSTR function returns the position of the first occurrence of a substring in a string.Syntax
The syntax for the Microsoft Excel INSTR function is:InStr( [start], string, substring, [compare] )
Parameters or Arguments
start is optional. It is the starting position for the search. If this parameter is omitted, the search will begin at position 1.string is the string to search within.
substring is the substring that you want to find.
compare is optional. It is the type of comparison to perform. It can be one of the following values:
| VBA Constant | Value | Explanation |
|---|---|---|
| vbUseCompareOption | -1 | Uses option compare |
| vbBinaryCompare | 0 | Binary comparison |
| vbTextCompare | 1 | Textual comparison |
Applies To
The INSTR function can be used in the following versions of Microsoft Excel:- Excel 2013, Excel 2011 for Mac, Excel 2010, Excel 2007, Excel 2003, Excel XP, Excel 2000
Type of Excel Function
The INSTR function can be used in Microsoft Excel as the following type of function:- VBA function (VBA)
Example (as VBA Function)
The INSTR function can only be used in VBA code in Microsoft Excel.Let's look at some Excel INSTR function examples and explore how to use the INSTR function in Excel VBA code:
InStr(1, "Tech on the Net", "the")
Result: 9
InStr("Tech on the Net", "the")
Result: 9
InStr(10, "Tech on the Net", "t")
Result: 15
For example:Dim LPosition As Integer LPosition = InStr(10, "Tech on the Net", "t")
