How to loop through letters in a string
You can loop through every character in a string by treating it as an array. Thanks to Swift's extended support for international languages and emoji, this works great no matter what kind of language you're using.
This code prints out each character one at a time:
let str = "sunday, monday, happy days"
for char in str {
print("Found character: \(char)")
}Available from iOS 7.0
Did this solution work for you? Please pass it on!
Other people are reading…
- How to test localization by setting a debug locale and double length pseudolanguage
- How to save a string to a file on disk with write(to:)
- How to check whether a string contains any words from an array
- How to load a string from a website URL
- How to use string interpolation to combine strings, integers and doubles
About the Swift Knowledge Base
This is part of the Swift Knowledge Base, a free, searchable collection of solutions for common iOS questions.
Swift on the server is here
Get ahead of the game and learn server-side Swift with my latest book – build real-world projects while you learn!
