|
StrComp Function |
Main Menu |
Description
Returns a value indicating the result of a string comparison.
Syntax
StrComp(string1, string2[, compare])
The StrComp function syntax has these arguments:
| Part | Description |
| string1 | Required. Any valid string expression. |
| string2 | Required. Any valid string expression. |
| compare | Optional. Numeric value indicating the kind of comparison to use when evaluating strings. If omitted, a binary comparison is performed. See Settings section for values. |
Settings
The compare argument can have the following values:
| Constant | Value | Description |
| vbBinaryCompare | 0 | Perform a binary comparison. |
| vbTextCompare | 1 | Perform a textual comparison. |
| vbDatabaseCompare | 2 | Perform a comparison based upon information contained in the database where the comparison is to be performed. |
Return Values
| If | StrComp returns |
| string1 is less than string2 | -1 |
| string1 is equal to string2 | 0 |
| string1 is greater than string2 | 1 |
| string1 or string2 is Null | Null |
Remarks
The following example uses the StrComp function to return the results of a string
comparison. If the third argument is 1, a textual comparison is performed; if
the third argument is 0 or omitted, a binary comparison is performed.
Dim MyStr1, MyStr2, MyComp
MyStr1 = "ABCD": MyStr2 = "abcd" ' Define variables.
MyComp = StrComp(MyStr1, MyStr2, 1) ' Returns 0.
MyComp = StrComp(MyStr1, MyStr2, 0) ' Returns -1.
MyComp = StrComp(MyStr2, MyStr1) ' Returns 1.
|