Sets of information used by directory clients when constructing search filters.

Examples: person#(sn$APPROX)#wholeSubtree, organizationalUnit#(ou$SUBSTR)#oneLevel

Origin RFC 4519
Usage userApplications
Equality Matching Rule octetStringMatch
Single Value false: multiple values allowed
Names enhancedSearchGuide
Ordering Matching Rule octetStringOrderingMatch
User Modification Allowed true
Schema File 00-core.ldif
Syntax Enhanced Guide
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