Swift: How to get string from ASCII-Code

swift character ascii
YourMJK picture YourMJK · Jun 22, 2014 · Viewed 32.5k times · Source

How can I get a character from a ASCII-Code in Apple's new Swift?

For example 65 returns "A"

Answer

Martin R picture Martin R · Jun 22, 2014

As a character:

let c = Character(UnicodeScalar(65))

Or as a string:

let s = String(UnicodeScalar(UInt8(65)))

Or another way as a string:

let s = "\u{41}"

(Note that the \u escape sequence is in hexadecimal, not decimal)

Related questions

What's the simplest way to convert from a single character String to an ASCII value in Swift?

I just want to get the ASCII value of a single char string in Swift. This is how I'm currently doing it: var singleChar = "a" println(singleChar.unicodeScalars[singleChar.unicodeScalars.startIndex].value) //prints: 97 This is so ugly though. There must …

Read More
Get nth character of a string in Swift programming language

How can I get the nth character of a string? I tried bracket([]) accessor with no luck. var string = "Hello, world!" var firstChar = string[0] // Throws error ERROR: 'subscript' is unavailable: cannot subscript String with an Int, see the documentation comment …

Read More
Remove last character from string. Swift language

How can I remove last character from String variable using Swift? Can't find it in documentation. Here is full example: var expression = "45+22" expression = expression.substringToIndex(countElements(expression) - 1)

Read More