Swift Language Strings and Characters Remove characters from a string not defined in Set
30% OFF - 9th Anniversary discount on Entity Framework Extensions until December 15 with code: ZZZANNIVERSARY9
Example
2.2
func removeCharactersNotInSetFromText(text: String, set: Set<Character>) -> String {
return String(text.characters.filter { set.contains( $0) })
}
let text = "Swift 3.0 Come Out"
var chars = Set([Character]("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLKMNOPQRSTUVWXYZ".characters))
let newText = removeCharactersNotInSetFromText(text, set: chars) // "SwiftComeOut"
3.0
func removeCharactersNotInSetFromText(text: String, set: Set<Character>) -> String {
return String(text.characters.filter { set.contains( $0) })
}
let text = "Swift 3.0 Come Out"
var chars = Set([Character]("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLKMNOPQRSTUVWXYZ".characters))
let newText = removeCharactersNotInSetFromText(text: text, set: chars)
