!!! Overview
[{$pagename}] are "officially" defined in the [Internet Assigned Numbers Authority (IANA) Considerations for the Lightweight Directory Access Protocol (LDAP)] by [RFC 4520].

More specifically at: [LDAP Filter Choices|https://www.iana.org/assignments/ldap-parameters/ldap-parameters.xhtml#ldap-parameters-10|target='_blank']
\\And we outline them below:

%%zebra-table
%%sortable
%%table-filter
||Name||Value||Owner||Reference||Symbol Notation||[Example]||Comment
|[and|AND SearchFilter]|0|[IESG]|[Protocol]|(& (...K1...) (...K2...) (...K3...) (...K4...))| | 
|[or|OR SearchFilter]|1|[IESG]|[Protocol]|{{{ (| (...K1...) (...K2...) (...K3...) (...K4...)) }}}|{{{ (|(cn=jim)(cn=james)) }}} | 
|[not|NOT SearchFilter]|2|[IESG]|[Protocol]|(!attribute=abc)|(!objectClass=group)|Some [DUA] applications require (!(attribute=abc))
|[equalityMatch]|3|[IESG]|[Protocol]|(attribute=abc)|(&(objectclass=user)(displayName=Foeckeler)| 
|[substrings]|4|[IESG]|[Protocol]|(mail=*@cerrotorre.de) or (givenName=*Paul*)|(mail=*@cerrotorre.de) or (givenName=*Paul*)) | 
|[greaterOrEqual|Greater-Or-Equal SearchFilter]|5|[IESG]|[Protocol]|(attribute>=abc)|(mdbStorageQuota>=100000)| 
|[lessOrEqual|LessThan-Or-Equal SearchFilter]|6|[IESG]|[Protocol]|(attribute<=abc)}}}|(mdbStorageQuota<=100000)|  
|[present|Presence SearchFilter]|7|[IESG]|[Protocol]|(attribute=*)|(mailNickName=*)| 
|[approxMatch]|8|[IESG]|[Protocol]|(attribute~=abc)|(displayName~=Foeckeler)|Caution: ~= is not always supported ([Microsoft Active Directory] environments) 
|[extensibleMatch]|9|[IESG]|[Protocol]|[extensible Match]| | 
/%
/%
/%

!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]