How to Remove last N Characters in a String in Swift


How to Remove last N Characters in a String in Swift ?

Answer

To remove the last N characters of a string in Swift, you can use the prefix method with the range from 0 to string.count - N.



✐ Examples

1 Removing Last 3 Characters from "Hello World" String

In this example,

  1. We declare a string variable named str1 with a value of "Hello World".
  2. We use the prefix method with the range from 0 to str1.count - 3 to remove the last 3 characters.
  3. Finally, we print the modified string.

Swift Program

let str1 = "Hello World"
let modifiedStr = String(str1.prefix(str1.count - 3))
print("Modified string is:", modifiedStr)

Output

Modified string is: Hello Wo

2 Removing Last 2 Characters from "apple" String

In this example,

  1. We declare a string variable named str2 with a value of "apple".
  2. We use the prefix method with the range from 0 to str2.count - 2 to remove the last 2 characters.
  3. Finally, we print the modified string.

Swift Program

let str2 = "apple"
let modifiedStr = String(str2.prefix(str2.count - 2))
print("Modified string is:", modifiedStr)

Output

Modified string is: app

Summary

In this tutorial, we learned How to Remove last N Characters in a String in Swift language with well detailed examples.




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