Replace string multiple characters in Swift

Submitted by obraztsov on Tue, 11/10/2015 - 15:44

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var str = "1-/[=2=/]-3"
let separators = ["/", "=", "[", "]"]
let arStr = str.characters.split { separators.contains(String($0)) }.map { String($0) }
str = arStr.joinWithSeparator("")
//str is "1-2-3"