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StrComp function

Returns a Variant (Integer) indicating the result of a string comparison.


StrComp(string1, string2, [ compare ])

The StrComp function syntax has these named arguments:

Part Description
string1 Required. Any valid string expression.
string2 Required. Any valid string expression.
compare Optional. Specifies the type of string comparison. If the compare argument is Null, an error occurs. If compare is omitted, the Option Compare setting determines the type of comparison.


The compare argument settings are:

Constant Value Description
vbUseCompareOption -1 Performs a comparison by using the setting of the Option Compare statement.
vbBinaryCompare 0 Performs a binary comparison.
vbTextCompare 1 Performs a textual comparison.
vbDatabaseCompare 2 Microsoft Access 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


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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