//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2022 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//

import Foundation

package extension String {
  // This implementation is really slow; to use it outside a test it should be optimized.
  func trimmingTrailingWhitespace() -> String {
    return self.replacingOccurrences(of: "[ ]+\\n", with: "\n", options: .regularExpression)
  }
}
