/// 去除字符串中的重复字符
private func removalDuplication(str: String) -> String {
var chars = [Character]()
var set = Set<Character>()
for char in str {
if !set.contains(char) {
set.insert(char)
chars.append(char)
}
}
let result = String(chars)
return result
}
[Swift] Remove duplicate characters in a string
Guess you like
Origin blog.csdn.net/u012881779/article/details/130741486
Recommended
Ranking