InStr

The InStr function returns the position of the first occurrence of one string within another.

Syntax :

InStr([start,]string1,string2[,compare])
Parameters Description
start Optional. Specifies the starting position for each search. The search begins at the first character position (1) by default. This parameter is required if compare is specified.
string1 Required. The string to be searched.
string2 Required. The string expression to search for.
Compare Optional. Specifies the string comparison to use. Default is 0.
Can have one of the following values :
0 - vbBinaryCompare- Performs a binary comparison.
1 - vbTextCompare - Perform a textual Comparison.

Example :

i = InStr(" Test ","Test")

Result :

i=2