Using square brackets in auto naming scheme?

[verypsb]

This is my auto naming string:
[IFVALUE]album artist,([UPPER][GRAB]1,1,[album artist][][])\[album artist],[IFCOMP][Various Artists][][IF!COMP]([UPPER][GRAB]1,1,[artist])\[artist][][][][]\[album]\[IFMULTI][disc].[][track] - [IFCOMP][artist] , [][title]

What I'm trying to accomplish is this, but I can't get it working with square brackets "[" and "]", but it works with round brackets "(" and ")".

[A]\Album Artist\Album\Track - Title
[A]\Artist\Album\Track - Title
[Various Artists]\Album\Track - Artist, Title

or the multidisc equivalent:
[A]\Album Artist\Album\Disc.Track - Title
[A]\Artist\Album\Disc.Track - Title
[Various Artists]\Album\Disc.Track - Artist, Title

What am I doing wrong?

Best regards,
Dennis.

[Spoon]

It is not possible to have [] as this signifies the end of the [GRAB] function.

[mville]

This is my auto naming string:
[IFVALUE]album artist,([UPPER][GRAB]1,1,[album artist][][])\[album artist],[IFCOMP][Various Artists][][IF!COMP]([UPPER][GRAB]1,1,[artist])\[artist][][][][]\[album]\[IFMULTI][disc].[][track] - [IFCOMP][artist] , [][title]

What I'm trying to accomplish is this, but I can't get it working with square brackets "[" and "]", but it works with round brackets "(" and ")".

[A]\Album Artist\Album\Track - Title
[A]\Artist\Album\Track - Title
[Various Artists]\Album\Track - Artist, Title

or the multidisc equivalent:
[A]\Album Artist\Album\Disc.Track - Title
[A]\Artist\Album\Disc.Track - Title
[Various Artists]\Album\Disc.Track - Artist, Title

What am I doing wrong?

Not sure what you are doing wrong here, as I have:

[[GRAB]1,7,[year][]] [album]

as part of my Naming string, working fine. If Year = 1967-06-01 and Album = Sgt. Pepper's Lonely Hearts Club Band (2009 Stereo Remaster), I get:

[1967-06] Sgt. Pepper's Lonely Hearts Club Band (2009 Stereo Remaster)