MS Access InStr() Function
Example
Search for "t" in string "Customer", and return position:
SELECT InStr("Customer", "t") AS MatchPosition;
Try it Yourself »
Definition and Usage
The InStr() function returns the position of the first occurrence of a string in another string.
Syntax
InStr(start, string1, string2,
compare)
Parameter Values
| Parameter | Description |
|---|---|
| start | Optional. The starting position for the search. Position 1 is default |
| string1 | Required. The string that will be searched |
| string2 | Required. The string to search for |
| compare | Optional. The type of comparison to perform. Possible values: -1: Uses option compare 0: Binary comparison 1: Textual comparison 2: Comparison based on your database |
Note
- InStr() performs a case-insensitive search
- If string2 is not found within string1, the InStr() function will return 0
- If string1 is zero-length, the InStr() function will return 0
- If string1 is null, the InStr() function will return null
- If string2 is zero-length, the InStr() function will return the value used in the start parameter
- If start is greater than string2, the InStr() function will return 0
Technical Details
| Works in: | Access 2016, Access 2013, Access 2010, Access 2007, Access 2003, Access XP, Access 2000 |
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