The insert() method inserts a new character value into the string.
Example
insert() Syntax
The syntax of the string insert() method is:
string.insert(char: Character, at: string.index)
Here, string is an object of the String class.
insert() Parameters
The insert() method takes two parameters.
- char - character to be inserted
- at - insert char at the valid index of string
insert() Return Value
- returns a string by inserting char to string.
Example 1: Swift string insert()
Here, we have inserted "(" and ")" at the starting and ending index of distance respectively.
Example 2: Add multiple Characters Using insert()
In Swift, we use contentsOf property to insert multiple characters to the string. For example,