Swift:
匹配模式删除字符

var greeting = "Hello, World! Where are the cookies?"
greeting.removeAll(where: { "aeiou".contains($0) })
print(greeting)
// 输出: Hll, Wrld! Whr r th ckks?

var stringWithNumbers = "My phone number is 123-456-7890."
if let range = stringWithNumbers.range(of: "\\d{3}-\\d{3}-\\d{4}", options: .regularExpression) {
    stringWithNumbers.removeSubrange(range)
}
print(stringWithNumbers)
// 输出: My phone number is .