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 pages

> FN FAL - Firemode fix
    Downloads / Operation Arrowhead / Addons / Weapons   ||  Tags: Firemode, Fn Fal
    Downloads / Arma 3 / Addons / Weapons   ||  Tags: Fn Fal, Port