C#使用正则表达式来验证是否是16进制字符串

        /// <summary>

        /// 判断是否为16进制字符串

        /// </summary>

        /// <param name="hexString"></param>

        /// <returns></returns>

        public static bool IsHexString(string hexString)

        {

            //十六进制发送时，发送框数据进行十六进制数据正则校验

            if (Regex.IsMatch(hexString, "^[0-9A-Fa-f]+$"))

            {

                //校验成功

                return true;

            }

            //校验失败

            return false;

        }

发送数据

 /// <summary>

        /// 发送数据

        /// </summary>

        private void SendData()

        {

            if (this.chk_HexSend.Checked)

            {

                //去掉空格  01 04   50

                string temp = this.rtb_Send.Text.Replace(" ", "");

                try

                {

                    byte[] b = HexHelper.HexStringToBytes(temp);

                    serialPort.Write(b, 0, b.Length);

                    TotalSendNum += b.Length;

                }

                catch (Exception ex)

                {

                    this.tssl_Status.Text = "发送失败：" + ex.Message;

                    IsOpen = false;

                }

            }

            else

            {

                try

                {

                    byte[] b = encoding.GetBytes(this.rtb_Send.Text);

                    serialPort.Write(b, 0, b.Length);

                    TotalSendNum += b.Length;

                }

                catch (Exception ex)

                {

                    this.tssl_Status.Text = "发送失败：" + ex.Message;

                    IsOpen = false;

                }

            }

        }

C#使用正则表达式来验证是否是16进制字符串的相关教程结束。