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

> US Weapon Replacements CO
    Downloads / Operation Arrowhead / Addons / Weapons   ||  Tags: M16, M4, Mp5
> NIArms MP5 SMGs
    Downloads / Arma 3 / Addons / Weapons   ||  Tags: Modern, Mp5, Submachine Gun, Weapon, Niarms

Found in forums

> Requesting help for MP5 Addon
    FORUMS / Editing / Addon editing / Arma 3   ||  Tags: Arma, Gun.addon, Mp5