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Note that the specification defines three other operators in addition to equals: ~=, >=, and <=. These operators are not covered here.

titleUseful Information

You might see search filters defined in the platform that contain {n} where n is some integer. Note that this syntax is not part of the search filter specification. Instead, it is a placeholder using MessageFormat syntax. The platform substitutes the values of the filter arguments into this filter expression and the resulting search filter is compliant with the search filter specification. That is the string that is sent to the directory service.


Values can contain asterisks. An asterisk represents zero or more characters. When it appears as the only character on the right hand side, it can be used as a test for the presence of an attribute.