A word is considered valid if:
You are given a string word.
Return true if word is valid, otherwise, return false.
Notes:
'a', 'e', 'i', 'o', 'u', and their uppercases are vowels.
Example 1:
Input: word = "234Adas"
Output: true
Explanation:
This word satisfies the conditions.
Example 2:
Input: word = "b3"
Output: false
Explanation:
The length of this word is fewer than 3, and does not have a vowel.
Example 3:
Input: word = "a3$e"
Output: false
Explanation:
This word contains a '$' character and does not have a consonant.
Constraints:
1 <= word.length <= 20word consists of English uppercase and lowercase letters, digits, '@', '#', and '$'.