Step 1.Action "Guess values"Source format: %TITLE%''$regexp(%ARTIST%,'^(.+?)\s+[[({]?(?:ft\.?|feat\.?|featuring)\s+([^][(){}]+)[])}]?(\s+.+)?$','(feat. $2$3)===$1',1)Guessing pattern: %TITLE%===%ARTIST%From:ARTIST ='Felix Jaehn feat. Thallie Ann Seenyen'TITLE ='Dance With Me [Original Mix]'To:ARTIST ='Felix Jaehn'TITLE ='Dance With Me [Original Mix] (feat. Thallie Ann Seenyen)'Step 2.Action "Format value"Field: TITLEFormatstring:$regexp(%TITLE%,'^(.+?)\s+\[(.+?)\]\s+[[({]?(?:ft\.?|feat\.?|featuring)\s+([^][(){}]+)[])}]?$','$1 [feat. $3. $2]',1)... or ...Formatstring:$regexp(%TITLE%,'^(.+?)\s\[(.+?)\]\s\(feat\.\s(.+?)\)$','$1 [feat. $3. $2]',1)... or ...Formatstring:$regexp(%TITLE%,'^(.+?)\s\[(.+?)\]\s\((feat\.\s.+?)\)$','$1 [$3. $2]',1)From:TITLE ='Dance With Me [Original Mix] (feat. Thallie Ann Seenyen)'To:TITLE ='Dance With Me [feat. Thallie Ann Seenyen. Original Mix]'