Question

How to replace multiple characters in a string with other characters using Swift

Answer 1

import Foundation

var s = "Swift- prog$$$$ra-mming! la!ng-uage!"

s = s.replacingOccurrences(of: "!", with: " ")
     .replacingOccurrences(of: "$", with: "")
     .replacingOccurrences(of: "a", with: "A")
     .replacingOccurrences(of: "-", with: "+")
     
print(s)



/*
run:
   
Swift+ progrA+mming  lA ng+uAge 

*/

 

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Answer 2

import Foundation

var s = "Swift- prog$$$$ra-mming! la!ng-uage!"
let replacements_old_new: [Character: Character] = ["!":" ", "$":"*", "a":"A", "-":"+"]

for (oldChar, newChar) in replacements_old_new {
    s = s.replacingOccurrences(of: String(oldChar), with: String(newChar))
}

print(s) 


/*
run:
    
Swift+ prog****rA+mming  lA ng+uAge 
 
*/

 

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