C#中各种验证方法(数字,邮件,电话,传真,邮政编码,网络地址,自动编号)

来，直接上代码：
#region    验证输入字符串为数字
                /// <summary>
                /// 验证输入字符串为数字
                /// </summary>
                /// <param name="P_str_num">输入字符</param>
                /// <returns>返回一个bool类型的值</returns>
                public bool validateNum(string P_str_num)
                {
                        return Regex.IsMatch(P_str_num, "^[0-9]*$");
                }
                #endregion

                #region    验证输入字符串为电话号码
                /// <summary>
                /// 验证输入字符串为电话号码
                /// </summary>
                /// <param name="P_str_phone">输入字符串</param>
                /// <returns>返回一个bool类型的值</returns>
                public bool validatePhone(string P_str_phone)
                {
                        return Regex.IsMatch(P_str_phone, @"\d{3,4}-\d{7,8}");
                }
                #endregion

                #region    验证输入字符串为传真号码
                /// <summary>
                /// 验证输入字符串为传真号码
                /// </summary>
                /// <param name="P_str_fax">输入字符串</param>
                /// <returns>返回一个bool类型的值</returns>
                public bool validateFax(string P_str_fax)
                {
                        return Regex.IsMatch(P_str_fax, @"86-\d{2,3}-\d{7,8}");
                }
                #endregion

                #region    验证输入字符串为邮政编码
                /// <summary>
                /// 验证输入字符串为邮政编码
                /// </summary>
                /// <param name="P_str_postcode">输入字符串</param>
                /// <returns>返回一个bool类型的值</returns>
                public bool validatePostCode(string P_str_postcode)
                {
                        return Regex.IsMatch(P_str_postcode, @"\d{6}");
                }
                #endregion

                #region    验证输入字符串为E-mail地址
                /// <summary>
                /// 验证输入字符串为E-mail地址
                /// </summary>
                /// <param name="P_str_email">输入字符串</param>
                /// <returns>返回一个bool类型的值</returns>
                public bool validateEmail(string P_str_email)
                {
                        return Regex.IsMatch(P_str_email, @"\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*");
                }
                #endregion

                #region    验证输入字符串为网络地址
                /// <summary>
                /// 验证输入字符串为网络地址
                /// </summary>
                /// <param name="P_str_naddress">输入字符串</param>
                /// <returns>返回一个bool类型的值</returns>
                public bool validateNAddress(string P_str_naddress)
                {
                        return Regex.IsMatch(P_str_naddress, @"http(s)?://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?");
                }
                #endregion

                #region    自动编号
                /// <summary>
                /// 自动编号
                /// </summary>
                /// <param name="P_str_sqlstr">SQL语句</param>
                /// <param name="P_str_table">数据表名</param>
                /// <param name="P_str_tbColumn">数据表字段</param>
                /// <param name="P_str_codeIndex">编号前的字符串</param>
                /// <param name="P_str_codeNum">编号后面的数字</param>
                /// <param name="txt">TextBox控件名</param>
                public void autoNum(string P_str_sqlstr,string P_str_table,string P_str_tbColumn,string P_str_codeIndex,string P_str_codeNum,TextBox txt)
                {
                        string P_str_Code = "";
                        int P_int_Code = 0;
                        DataSet myds = boperate.getds(P_str_sqlstr,P_str_table);
                        if (myds.Tables[0].Rows.Count == 0)
                        {
                                txt.Text = P_str_codeIndex + P_str_codeNum;
                        }
                        else
                        {
                                P_str_Code = Convert.ToString(myds.Tables[0].Rows[myds.Tables[0].Rows.Count - 1][P_str_tbColumn]);
                                P_int_Code = Convert.ToInt32(P_str_Code.Substring(2, 7)) + 1;
                                P_str_Code = P_str_codeIndex + P_int_Code.ToString();
                                txt.Text = P_str_Code;
                        }
                }
                #endregion