String Extension

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Antoine CLOP edited this page Oct 19, 2017 · 1 revision

Properties

var length: Int

Methods

func substring(startIndex: Int) -> String?
func substring(startIndex: Int, length: Int) -> String?
func numberOccurence(of pattern: String) -> Int
func firstOccurencePosition(of pattern: String) -> Int?
func capitalizeFirstLetter() -> String

Operators

String * Int

Definitions

var length: Int: Get the length of the String encoded in UTF8.
func substring(startIndex: Int) -> String?: Get a new String from startIndex to the end. startIndex must be contained in [0;length] or it will result in a nil String.
func substring(startIndex: Int, length: Int) -> String?: Get a new String of size Length from startIndex. startIndex must be contained in [0;length] and Length must be more than 0 or it will result in a nil String.
func numberOccurence(of pattern: String) -> Int: Get the number of occurence of pattern in current String.
func firstOccurencePosition(of pattern: String) -> Int?: Get the index of first occurence of pattern in current String. Index starts at 0.
func capitalizeFirstLetter() -> String: Get current String with first letter capitalized.
String * Int: This operator will create a new String which is the result of 'Int' concatenations of 'String'.