Try this one from the other thread: (I adapted it for "/" as separator)
$trim($regexp(%Genre%,'(?:(?<=/)|(?<=\A))\s*([^/]*)\s*/(?=.*?(?<=/)\s*\1(?=/|\Z))',,1))Try this one from the other thread: (I adapted it for "/" as separator)
$trim($regexp(%Genre%,'(?:(?<=/)|(?<=\A))\s*([^/]*)\s*/(?=.*?(?<=/)\s*\1(?=/|\Z))',,1))