Returns the position of the first occurrence of one string within another.
Syntax
 Copy Code
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int InStr ( |
Parameters
- a
- A string expression representing the string being searched.
- b
- A string expression representing the string being searched for.
Return Value
The InStr function returns the following values:
Parameter | Return Value |
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a is zero-length | -1 |
a is null | -1 |
b is zero-length | -1 |
b is null | -1 |
b is not found | -1 |
b is found within a | The position at which match is found. |