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The new home for Visual Studio documentation is Visual Studio 2017 Documentation on docs.microsoft.com.
The latest version of this topic can be found at [IFIDN]](https://docs.microsoft.com/cpp/assembler/masm/ifidn).
Grants assembly if the text items are identical.
Syntax
IFIDN[[I]] textitem1, textitem2
Remarks
If I is given, the comparison is case insensitive. See IF for complete syntax.