Linked Questions

I need to get the last 4 letters of a string. How can I do that? The length of the string varies. Example: var a = "StackOverFlow" var last4 = a.lastFour // That's what I want to do print(...

If I want to get a value from the NSString "😃hello World😃", what should I use? The return value I want is "hello World". The smileys can be any string. so i need some regexp to this.

Could someone pls tell me how i get a subString from a String? I tried everything with substring and rangeOfString methods but can't solve it... My text goes like this: var text = "Suuuuper, {1} has ...

How do I substring a string in swift 4. I would like to convert: "Hello, World!" Into: "Hello"

How can I create a UIColor from a hexadecimal string format, such as #00FF00?

Does Swift have a trim() method on String? For example: let result = " abc ".trim() // result == "abc"

It's time to admit defeat... In Objective-C, I could use something like: NSString* str = @"abcdefghi"; [str rangeOfString:@"c"].location; // 2 In Swift, I see something similar: var str = "...

I want to learn the best/simplest way to turn a string into another string but with only a subset, starting at the beginning and going to the last index of a character. For example, convert "www....

I'm trying to test if a Swift string starts or ends with a certain value. These methods do not exist: var str = "Hello, playground" str.startsWith("Hello") // error str.endsWith("ground") // error I ...

I get compiler error at this line: UIDevice.currentDevice().identifierForVendor.UUIDString.substringToIndex(8) Type 'String.Index' does not conform to protocol 'IntegerLiteralConvertible' My ...

So split("There are fourty-eight characters in this string", 20) should return ["There are fourty-eig", "ht characters in thi","s string"] If I make currentIndex = string.startIndex and then try to ...

I'm trying to use UITextFieldDelegate in Swift/Xcode6 and I'm struggling with the way I'm supposed to use stringByReplacingCharactersInRange. The compiler error is 'Cannot convert the expression's ...

With Beta 3 all worked fine, now I get a strange error, and I have no clue how to fix it. Tried all the solutions for similiar problems. Here is my code: if !name.isEmpty { var splitted: [...

To remove a substring at a specified range, use the removeRange(_:) method: 1 let range = advance(welcome.endIndex, -6)..<welcome.endIndex 2 welcome.removeRange(range) 3 println(welcome) 4 // ...

My goal is to mark all visible misspelled words in an UITextView. The inefficient algorithm is to use the spell checker to find all ranges of misspelled words in the text, convert them to ...