Features

Presence: (cn=*)

Equality: (uid=xy123)

Comparison: (1000 < uidNumber)

Substring: (surname=K*)

Approximate Match: (sn~=gok)

(matches Gack, Keck, Kubiac, Goik,Kabbeck, Nguyen Quoc, Gubic , Koc)

AND: (&(5 < uidNumber)(sn=*k*)(gidNumber=1000))

OR: (|(5 < uidNumber)(sn=*k*)(gidNumber=1000))

NOT: (!(5 < uidNumber))

Extensible match filters, see Extensible Match Search Filter as well.