Swift String split()

var text = "Swift is a fun programming language"

// split the text from space
print(text.split(separator: " "))

// Output: ["Swift", "is", "a", "fun", "programming", "language"]

split() Syntax

The syntax of split() is:

string.split(separator: Character, maxSplits: Int, ommittingEmptySequence: Bool)

Here, string is an object of the String class.

split() Parameters

The split() method can take three parameters:

• separator - Delimiter at which splits occur.
• maxSplits (optional) - Maximum number of splits. If not provided, there is no limit on the number of splits.
• omittingEmptySubsequences (optional) - specifies whether to omit empty string elements or to include them

split() Return Value

• returns an array of substrings

Example 1: Swift split()

var text = "Swift is awesome. Swift is fun."

// split at period "."
print(text.split(separator: "."))

// split string with limit
print(text.split(separator: " ", maxSplits: 2))

Output

["Swift is awesome", " Swift is fun"]
["Swift", "is", "awesome. Swift is fun."]

Example 2: split() with omittingEmptySubsequences Parameter

var text = "Swift  is a fun programming language"

// split the text from space
// returned array doesn't contain empty string
print(text.split(separator: " ", maxSplits: 2, omittingEmptySubsequences: true))

// returned array contains empty string
print(text.split(separator: " ", maxSplits: 2, omittingEmptySubsequences: false))

Output

["Swift", "is", "a fun programming language"]
["Swift", "", "is a fun programming language"]