MS Access InStr() Function

Search for "t" in string "Customer", and return position:

SELECT InStr("Customer", "t") AS MatchPosition;

Definition and Usage

The InStr() function gets the position of the first occurrence of a string in another.

This function performs a case-insensitive search.

InStr(start, string1, string2, compare)

Parameter	Description
start	Optional. The start position for the search. Position 1 is default
string1	Required. The string to be searched
string2	Required. The string to search for
compare	Optional. The type of string comparison. Possible values: -1: Use the setting of Option Compare 0: Binary comparison 1: Textual comparison 2: Comparison based on info in your database

If string2 is not found within string1, this function returns 0
If string1 is zero-length, this function returns 0
If string1 is null, this function returns null
If string2 is zero-length, this function returns the value in the start parameter
If start is > than the length of string2, this function returns 0

Works in:	From Access 2000