Several comma-separated tags will be considered as logical AND between them. You can also use semicolon for logical OR. AND has a priority over OR and you cannot use parentheses for logical grouping. Asterisk (*) within a tag will be regarded as a mask for "any string".

Found in forums

> Baghdad Police Station
    FORUMS / Arma 2 / Missions: Complete / Singleplayer missions   ||  Tags: Baghdad, Iraq