Tested and works. Nice one 
Means I don’t need this any more…
[#9]
T=7
! Output cleaned tags =
F=%mp3tagfix%
1=MP3TAGSPACER%genre%MP3TAGSPACER%album%MP3TAGSPACER%albumartist%MP3TAGSPACER%artist%MP3TAGSPACER%title%MP3TAGSPACER%composer%MP3TAGSPACER%tvshow%MP3TAGSPACER%albumsort%MP3TAGSPACER%albumartistsort%MP3TAGSPACER%artistsort%MP3TAGSPACER%titlesort%MP3TAGSPACER%composersort%MP3TAGSPACER%tvshowsort%MP3TAGSPACER%actor%MP3TAGSPACER%director%MP3TAGSPACER%producer%MP3TAGSPACER%writer%MP3TAGSPACER%written_by%MP3TAGSPACER%lyricist%MP3TAGSPACER%narrator%MP3TAGSPACER%publisher%MP3TAGSPACER%production_studio%MP3TAGSPACER%tvnetwork%MP3TAGSPACER%copyright%MP3TAGSPACER%subtitle%MP3TAGSPACER%setsubtitle%MP3TAGSPACER%tvseasontitle%MP3TAGSPACER%grouping%MP3TAGSPACER%contentgroup%MP3TAGSPACER%collection%MP3TAGSPACER%description%MP3TAGSPACER%summary%MP3TAGSPACER%podcastdesc%MP3TAGSPACER%synopsis%MP3TAGSPACER%podcastkeywords%MP3TAGSPACER%keywords%MP3TAGSPACER%itunextc%MP3TAGSPACER%law_rating%MP3TAGSPACER%itunesmediatype%MP3TAGSPACER%content_type%MP3TAGSPACER%year%MP3TAGSPACER%releasetime%MP3TAGSPACER%hdr%MP3TAGSPACER%dolby_vision%MP3TAGSPACER%3d%
[#100]
T=5
! Reinstate multiple values as Guess values doesn't split delimiters =
1=$replace(%genre%,MP3TAGDELIMITER,\\\\)
F=GENRE
[#101]
T=5
1=$replace(%album%,MP3TAGDELIMITER,\\\\)
F=ALBUM
[#102]
T=5
1=$replace(%albumartist%,MP3TAGDELIMITER,\\\\)
F=ALBUMARTIST
[#103]
T=5
1=$replace(%artist%,MP3TAGDELIMITER,\\\\)
F=ARTIST
[#104]
T=5
1=$replace(%title%,MP3TAGDELIMITER,\\\\)
F=TITLE
[#105]
T=5
1=$replace(%composer%,MP3TAGDELIMITER,\\\\)
F=COMPOSER
[#106]
T=5
1=$replace(%tvshow%,MP3TAGDELIMITER,\\\\)
F=TVSHOW
[#107]
T=5
1=$replace(%albumsort%,MP3TAGDELIMITER,\\\\)
F=ALBUMSORT
[#108]
T=5
1=$replace(%albumartistsort%,MP3TAGDELIMITER,\\\\)
F=ALBUMARTISTSORT
[#109]
T=5
1=$replace(%artistsort%,MP3TAGDELIMITER,\\\\)
F=ARTISTSORT
[#110]
T=5
1=$replace(%titlesort%,MP3TAGDELIMITER,\\\\)
F=TITLESORT
[#111]
T=5
1=$replace(%composersort%,MP3TAGDELIMITER,\\\\)
F=COMPOSERSORT
[#112]
T=5
1=$replace(%tvshowsort%,MP3TAGDELIMITER,\\\\)
F=TVSHOWSORT
[#113]
T=5
1=$replace(%actor%,MP3TAGDELIMITER,\\\\)
F=ACTOR
[#114]
T=5
1=$replace(%director%,MP3TAGDELIMITER,\\\\)
F=DIRECTOR
[#115]
T=5
1=$replace(%producer%,MP3TAGDELIMITER,\\\\)
F=PRODUCER
[#116]
T=5
1=$replace(%writer%,MP3TAGDELIMITER,\\\\)
F=WRITER
[#117]
T=5
1=$replace(%written_by%,MP3TAGDELIMITER,\\\\)
F=WRITTEN_BY
[#118]
T=5
1=$replace(%lyricist%,MP3TAGDELIMITER,\\\\)
F=LYRICIST
[#118]
T=5
1=$replace(%narrator%,MP3TAGDELIMITER,\\\\)
F=NARRATOR
[#119]
T=5
1=$replace(%publisher%,MP3TAGDELIMITER,\\\\)
F=PUBLISHER
[#120]
T=5
1=$replace(%production_studio%,MP3TAGDELIMITER,\\\\)
F=PRODUCTION_STUDIO
[#121]
T=5
1=$replace(%tvnetwork%,MP3TAGDELIMITER,\\\\)
F=TVNETWORK
[#122]
T=5
1=$replace(%copyright%,MP3TAGDELIMITER,\\\\)
F=COPYRIGHT
[#123]
T=5
1=$replace(%subtitle%,MP3TAGDELIMITER,\\\\)
F=SUBTITLE
[#124]
T=5
1=$replace(%setsubtitle%,MP3TAGDELIMITER,\\\\)
F=SETSUBTITLE
[#125]
T=5
1=$replace(%tvseasontitle%,MP3TAGDELIMITER,\\\\)
F=TVSEASONTITLE
[#126]
T=5
1=$replace(%grouping%,MP3TAGDELIMITER,\\\\)
F=GROUPING
[#126]
T=5
1=$replace(%contentgroup%,MP3TAGDELIMITER,\\\\)
F=CONTENTGROUP
[#127]
T=5
1=$replace(%collection%,MP3TAGDELIMITER,\\\\)
F=COLLECTION
[#128]
T=5
1=$replace(%description%,MP3TAGDELIMITER,\\\\)
F=DESCRIPTION
[#129]
T=5
1=$replace(%summary%,MP3TAGDELIMITER,\\\\)
F=SUMMARY
[#130]
T=5
1=$replace(%podcastdesc%,MP3TAGDELIMITER,\\\\)
F=PODCASTDESC
[#131]
T=5
1=$replace(%synopsis%,MP3TAGDELIMITER,\\\\)
F=SYNOPSIS
[#132]
T=5
1=$replace(%podcastkeywords%,MP3TAGDELIMITER,\\\\)
F=PODCASTKEYWORDS
[#133]
T=5
1=$replace(%keywords%,MP3TAGDELIMITER,\\\\)
F=KEYWORDS
[#134]
T=5
1=$replace(%itunextc%,MP3TAGDELIMITER,\\\\)
F=ITUNEXTC
[#135]
T=5
1=$replace(%law_rating%,MP3TAGDELIMITER,\\\\)
F=LAW_RATING
[#136]
T=5
1=$replace(%itunesmediatype%,MP3TAGDELIMITER,\\\\)
F=ITUNESMEDIATYPE
[#137]
T=5
1=$replace(%content_type%,MP3TAGDELIMITER,\\\\)
F=CONTENT_TYPE
[#138]
T=5
1=$replace(%year%,MP3TAGDELIMITER,\\\\)
F=YEAR
[#139]
T=5
1=$replace(%releasetime%,MP3TAGDELIMITER,\\\\)
F=RELEASETIME