Moving featuring artist from 'Title' to 'Artist'

[ohrenkino]

@VJB78

Title: Don’t Give Up (feat. Bryan Adams)
Artist: Chicane

To this:
Title: Don’t Give Up
Artist: Chicane (feat. Bryan Adams)

Try
Guess value
Source: %artist% $regexp(%title%,(.*) \(feat\. (.*)\),(feat. $2) +++ $1)
Guessing Pattern: %artist% +++ %title%

For the 3-part-pattern try "Guess value" with
Source: %artist% $regexp(%title%,(.*) \(feat\. (.*)\)(.*),(feat. $2) +++ $1$3)
Guessing Pattern: %artist% +++ %title%