Swfit 验证手机号表达式

/** * 手机号码: * 13[0-9], 14[5,7], 15[0, 1, 2, 3, 5, 6, 7, 8, 9], 17[6, 7, 8], 18[0-9], 170[0-9]

* 移动号段: 134,135,136,137,138,139,150,151,152,157,158,159,182,183,184,187,188,147,178,1705

* 联通号段: 130,131,132,155,156,185,186,145,176,1709

* 电信号段: 133,153,180,181,189,177,1700 */

  class  func isTelNumber(num:String)->Bool    {        let mobile = "^1(3[0-9]|4[57]|5[0-35-9]|7[0678]|8[0-9])//d{8}$"        let  CM = "(^1(3[4-9]|4[7]|5[0-27-9]|7[8]|8[2-478])//d{8}$)|(^1705//d{7}$)";        let  CU = "(^1(3[0-2]|4[5]|5[56]|7[6]|8[56])//d{8}$)|(^1709//d{7}$)";        let  CT = "(^1(33|53|77|8[019])//d{8}$)|(^1700//d{7}$)";        let regextestmobile = NSPRedicate(format: "SELF MATCHES %@",mobile)        let regextestcm = NSPredicate(format: "SELF MATCHES %@",CM )        let regextestcu = NSPredicate(format: "SELF MATCHES %@" ,CU)        let regextestct = NSPredicate(format: "SELF MATCHES %@" ,CT)        if ((regextestmobile.evaluateWithObject(num) == true)            || (regextestcm.evaluateWithObject(num)  == true)            || (regextestct.evaluateWithObject(num) == true)            || (regextestcu.evaluateWithObject(num) == true))        {            return true        }        else        {            return false        }      }