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LDAP Search Filter Builder

Visually assemble LDAP search filters compliant with RFC 4515: select attributes, operators, and values; support AND / OR combinations and NOT negation; special characters * ( ) \ in values are automatically escaped. The generated filter can be copied with one click or tested directly against this site's Mock LDAP example directory.

Filter Quick Reference

  • Equality: (uid=alice); present: (mail=*); substring: (cn=*Zh*)
  • AND / OR / NOT: (&(A)(B)), (|(A)(B)), (!(A))
  • Common combination: (&(objectClass=person)(memberOf=cn=admins,ou=groups,dc=example,dc=com))

See complete syntax and common attributes in LDAP Reference.

Last updated: 7/6/26, 8:43 AM
Contributors: linux, Claude Opus 4.8