String+Extension.swift

//////////////////////////////////////////////////////////////////////////////////
//
// B L I N K
//
// Copyright (C) 2016-2021 Blink Mobile Shell Project
//
// This file is part of Blink.
//
// Blink is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
// along with Blink. If not, see <http://www.gnu.org/licenses/>.
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// In addition, Blink is also subject to certain additional terms under
// GNU GPL version 3 section 7.
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// following the terms and conditions of the GNU General Public License
// which accompanied the Blink Source Code. If not, see
// <http://www.github.com/blinksh/blink>.
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////////////////////////////////////////////////////////////////////////////////

import Foundation

import Foundation

extension String {
  func matchingStrings(regex: String) -> [[String]] {
    guard let regex = try? NSRegularExpression(pattern: regex, options: []) else { return [] }
    let nsString = self as NSString
    let results  = regex.matches(in: self, options: [], range: NSMakeRange(0, nsString.length))
    return results.map { result in
      (0..<result.numberOfRanges).map {
        result.range(at: $0).location != NSNotFound
          ? nsString.substring(with: result.range(at: $0))
          : ""
      }
    }
  }
}