Search operator you can use with Xml Rules filter

Strict operator ""

match strict terms will ignore every operator put between those quotes


Example :
this will match element with a subject that contains exactly TEST TEST2 TEST3,
and forward them to iamnot@atest.ovh

<entry>
    <category term='filter'></category>
    <title>Mail Filter</title>
    <id>4051388416584988610</id>
    <updated>2018-07-07T07:07:07Z</updated>
    <content></content>
    <apps:property name='subject' value='"TEST TEST2 TEST3"'/>
    <apps:property name='forwardTo' value='iamnot@atest.ovh'/>
</entry>

AND operator

match multiple terms, using space is by default an AND


Example :
this will match element with a subject that contains TEST AND TEST2,
and forward them to iamnot@atest.ovh

<entry>
    <category term='filter'></category>
    <title>Mail Filter</title>
    <id>4051388416584988610</id>
    <updated>2018-07-07T07:07:07Z</updated>
    <content></content>
    <apps:property name='subject' value='(TEST TEST2)' />
    <apps:property name='forwardTo' value='iamnot@atest.ovh'/>
</entry>

OR,{} operator

match one or more terms, { } can also be used


Example :
this will match element with a subject that contains TEST or TEST2,
and forward them to iamnot@atest.ovh

<entry>
    <category term='filter'></category>
    <title>Mail Filter</title>
    <id>4051388416584988610</id>
    <updated>2018-07-07T07:07:07Z</updated>
    <content></content>
    <apps:property name='subject' value='(TEST OR TEST2)' />
    <apps:property name='forwardTo' value='iamnot@atest.ovh'/>
</entry>

Minus (-) operator

excluse from match one or more terms


Example :
this will match element with a subjeect that doesnt contains TEST and contains TEST2. 
And forward them to iamnot@atest.ovh

<entry>
    <category term='filter'></category>
    <title>Mail Filter</title>
    <id>4051388416584988610</id>
    <updated>2018-07-07T07:07:07Z</updated>
    <content></content>
    <apps:property name='subject' value='(-TEST TEST2)' />
    <apps:property name='forwardTo' value='iamnot@atest.ovh'/>
</entry>