StrComp Function
Returns a Variant (Integer) indicating the result of a string expression.
Syntax
StrComp ( string1, string2 [, compare ] )
The StrComp function syntax has these arguments:
Argument | Description |
string1 | Required. Any valid string expression. |
string2 | Required. Any valid string expression. |
compare | Optional. Specifies the type of string comparison. If the compareargument is Null, an error occurs. If compare is omitted, the Option Compare setting determines the type of comparison. |
Settings
The compare argument settings are:
Constant | Value | Description |
vbUseCompareOption | -1 | Performs a comparison using the setting of the Option Compare statement. |
vbBinaryCompare | 0 | Performs a binary comparison. |
vbTextCompare | 1 | Performs a textual comparison. |
vbDatabaseCompare | 2 | Microsoft Office Access 2007 only. Performs a comparison based on information in your database. |
Return Values
The StrComp function has the following 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 |
Example
Note: Examples that follow demonstrate the use of this function in a Visual Basic for Applications (VBA) module. For more information about working with VBA, select Developer Reference in the drop-down list next to Search and enter one or more terms in the search box.
This 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.
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