[Swift]LeetCode1119. 删去字符串中的元音 | Remove Vowels from a String

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Given a string S, remove the vowels 'a', 'e', 'i', 'o', and 'u' from it, and return the new string.

Example 1:

Input: 

Example 2:

Input:  

Note:

  1. S consists of lowercase English letters only.
  2. 1 <= S.length <= 1000

给你一个字符串 S,请你删去其中的所有元音字母( 'a''e''i''o''u'),并返回这个新字符串。

示例 1:

输入:"leetcodeisacommunityforcoders"
输出:"ltcdscmmntyfrcdrs"

示例 2:

输入:"aeiou"
输出:"" 

提示:

  1. S 仅由小写英文字母组成。
  2. 1 <= S.length <= 1000

8ms

 1 class Solution {
 2     func removeVowels(_ S: String) -> String {
 3         let arrS:[Character] = Array(S)
 4         var ret:String = String()
 5         for i in 0..<S.count
 6         {
 7             if arrS[i] == "a" || arrS[i] == "e" || arrS[i] == "i" || arrS[i] == "o" || arrS[i] == "u"
 8             {
 9                 continue                
10             }
11             else
12             {
13                 ret.append(arrS[i])
14             }
15         }
16         return ret
17     }
18 }