检查单词是否以元音或辅音开头 [英] Check if a word starts with a Vowel or a Consonant

问题描述

我需要检查单词是否以元音或辅音开头，诸如此类：

I need to check if a word starts with a vowel or a consonant, something like that:

let word = "ciao"

if wordStartsWithVowel {
    print("Word starts with Vowel!")
}

我该怎么做？

推荐答案

let vowels: [Character] = ["a","e","i","o","u"]
let word = "ciao"

if vowels.contains(word.lowercased().characters.first!) {
    print("Word starts with Vowel!")
}

.lowercaseString 很重要，因为否则，大写元音不会被识别为元音。

.lowercaseString is important because, otherwise, uppercase vowels wouldn't be recognised as vowels.

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