验证手机号

 验证手机号
-(BOOL)checkTelNumber:(NSString*) telNumber

{
//    NSString*pattern =@"^1+[3578]+\\d{9}";
    NSString * pattern =@"^(13[0-9]|14[5|7]|15[0-9]|17[0|6|7|8]|18[0-9])\\d{8}$";
    NSPredicate * pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",pattern];
    
    BOOL isMatch = [pred evaluateWithObject:telNumber];
    return isMatch;
}