Simple remove/replace characters in a swift string

String+DSFExtensions.swift

import Foundation

extension String {
   /// Returns a new string by removing any instances of the specified characters
   ///
   /// - Parameter
   ///   - replacementChars: String containing the characters to replace
   /// - Returns: a new string filtering out the specified characters
   func removing(charactersIn replacementChars: String) -> String {
      return self.filter { replacementChars.contains($0) == false }
   }

   /// Removes any instances of the specified characters
   ///
   /// - Parameter
   ///   - replacementChars: String containing the characters to replace
   /// - Returns: a new string filtering out the specified characters
   mutating func remove(charactersIn replacementChars: String) {
      self = self.removing(charactersIn: replacementChars)
   }

   /// Returns a new string by replacing any instances of the specified characters with a new character
   ///
   /// - Parameters:
   ///   - charactersIn: String containing the characters to replace
   ///   - replacement: replacement character
   func replacing(charactersIn replacementChars: String, with replacement: Character) -> String {
      return String(self.map { replacementChars.contains($0) ? replacement : $0 })
   }

   /// Replaces any instances of the specified characters with a new character
   ///
   /// - Parameters:
   ///   - charactersIn: String containing the characters to replace
   ///   - replacement: replacement character
   mutating func replace(charactersIn replacementChars: String, with replacement: Character) {
      self = self.replacing(charactersIn: replacementChars, with: replacement)
   }
}

	let inputName = "This?is*a\"text<"

	let sanitizedName = inputName.replaceCharacters(from: "/\\:?%*|\"<>", with: "_")
	// sanitizedName = "This_is_a_text_"

	let filteredName = inputName.removeCharacters(from: "/\\:?%*|\"<>")
	// filteredName = "Thisisatext"