如何快速删除电话号码中的特殊字符？

Question

当我从电话应用程序复制电话号码时，我会得到类似\u{e2}05xxxxxx49\u{e2}的结果

我需要从数字的左侧和右侧删除此字符\u{e2} 得到这样的结果05xxxxxx49

var str = number
str = str!.replacingOccurrences(of: "\u{e2}", with: "")
print(str!)

Answer 1

感谢所有人 终于我知道了

    var number = self.myTFForNumber.text

    self.myTFForNumber.text = ""
    let onlyDigits: CharacterSet = CharacterSet.decimalDigits.inverted
    let greeting = number!
    number = ""
    for aa in 0..<greeting.count
    {

        let index = greeting.index(greeting.startIndex, offsetBy: aa)

        let bb = String(describing: greeting[index])

        if bb.rangeOfCharacter(from: onlyDigits) == nil {

            number = "\(String(describing: number!))\(greeting[index])"

        }

    }

    self.myTFForNumber.text = number!