swift 在swift 2中检查字符串是否为回文的函数

Posted 2021-05-19

func isPalindrome(string: String) -> Bool {
    
    var revstring = ""
    
    for character in string.characters {
        revstring = String(character) + revstring
    }
    
    return (revstring.lowercaseString == string.lowercaseString)
}