Question

How to remove the leading and trailing commas from a string in Swift

Answer 1

import Foundation

var str = ",,,Swift,,"

str = str.trimmingCharacters(in: CharacterSet(charactersIn: ","))

print(str)

 
 
/*
run:
      
Swift
      
*/

 

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Answer 2

import Foundation

var str = ",,,Swift,,"

let components = str.components(separatedBy: ",")
let filteredComponents = components.filter { !$0.isEmpty }

str = filteredComponents.joined()

print(str)

 
 
/*
run:
      
Swift
      
*/

 

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Answer 3

import Foundation

func trimCharacters(in str: String, characters: String) -> String {
    return str.trimmingCharacters(in: CharacterSet(charactersIn: characters))
}

var str = ",,,Swift,,"

str = trimCharacters(in: str, characters: ",")

print(str)

 
 
/*
run:
      
Swift
      
*/

 

70+ SQL courses for beginners and professionals