Swift filter array of objects

Question

class book{
    var nameOfBook: String!
}

var englishBooks=[book(),book(),book()]
var arr = englishBooks.filter {
    contains($0.nameOfBook, \"rt\")
}

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Answer 1

in case you want to delete an interval of object which has specific IDs (matchIDsToDelete) from an array of object (matches)

var matches = [Match]
var matchIDsToDelete = [String]
matches = matches.filter { !matchIDsToDelete.contains($0.matchID) }