C# 判斷字串是否符合十六進位，八進位，二進位和十進位整數格式的Regex

標籤：十進位   bsp   二進位   運算式   code   ima   ram   const   ssi   

        /// <summary>        /// 判斷是否十六進位格式字串        /// </summary>        /// <param name="str"></param>        /// <returns></returns>        public bool IsHexadecimal(string str)        {            const string PATTERN = @"[A-Fa-f0-9]+$";            return System.Text.RegularExpressions.Regex.IsMatch(str, PATTERN);        }        /// <summary>        /// 判斷是否八進位格式字串        /// </summary>        /// <param name="str"></param>        /// <returns></returns>        public bool IsOctal(string str)        {            const string PATTERN = @"[0-7]+$";            return System.Text.RegularExpressions.Regex.IsMatch(str, PATTERN);        }        /// <summary>        /// 判斷是否二進位格式字串        /// </summary>        /// <param name="str"></param>        /// <returns></returns>        public bool IsBinary(string str)        {            const string PATTERN = @"[0-1]+$";            return System.Text.RegularExpressions.Regex.IsMatch(str, PATTERN);        }        /// <summary>        /// 判斷是否十進位格式字串        /// </summary>        /// <param name="str"></param>        /// <returns></returns>        public bool IsDecimal(string str)        {            const string PATTERN = @"[0-9]+$";            return System.Text.RegularExpressions.Regex.IsMatch(str, PATTERN);        }

 

C# 判斷字串是否符合十六進位，八進位，二進位和十進位整數格式的Regex