驗證字符串格式
?1）判斷字符串是否是常見數(shù)據(jù)類型,decimal,foalt,double,datetime,int等等
?2)驗證字符串符合特定規(guī)則
? ? （1）郵箱地址，IP地址
? ? ?(2）純數(shù)字，純字母（大寫字母/小寫字母）,數(shù)字與字母
? ?（3）電話號碼，手機(jī)號碼，出生日期
?電子郵件格式、固定電話號碼和手機(jī)號碼格式等，我們經(jīng)常會需要用到正則表達(dá)式。
?但是正則表達(dá)式用起來性能會低一點，所以在需要驗證的時候能不使用正則表達(dá)式還是盡量不要使用正則表達(dá)式。

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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Text.RegularExpressions;//正則表達(dá)式驗證引用System.Text.RegularExpressions命名空間namespace XClassValidatorHelper { public class Validator { #region 匹配方法 /// <summary> /// 驗證字符串是否匹配正則表達(dá)式描述的規(guī)則 /// </summary> /// <param name="inputStr">待驗證的字符串</param> /// <param name="patternStr">正則表達(dá)式字符串</param> /// <returns>是否匹配</returns> public static bool IsMatch(string inputStr, string patternStr) { return IsMatch(inputStr, patternStr, false, false); } /// <summary> /// 驗證字符串是否匹配正則表達(dá)式描述的規(guī)則 /// </summary> /// <param name="inputStr">待驗證的字符串</param> /// <param name="patternStr">正則表達(dá)式字符串</param> /// <param name="ifIgnoreCase">匹配時是否不區(qū)分大小寫</param> /// <returns>是否匹配</returns> public static bool IsMatch(string inputStr, string patternStr, bool ifIgnoreCase) { return IsMatch(inputStr, patternStr, ifIgnoreCase, false); } /// <summary> /// 驗證字符串是否匹配正則表達(dá)式描述的規(guī)則 /// </summary> /// <param name="inputStr">待驗證的字符串</param> /// <param name="patternStr">正則表達(dá)式字符串</param> /// <param name="ifValidateWhiteSpace">是否驗證空白字符串</param> /// <returns>是否匹配</returns> public static bool IsMatch(string inputStr, string patternStr, bool ifValidateWhiteSpace) { return IsMatch(inputStr, patternStr, false, ifValidateWhiteSpace); } /// <summary> /// 驗證字符串是否匹配正則表達(dá)式描述的規(guī)則 /// </summary> /// <param name="inputStr">待驗證的字符串</param> /// <param name="patternStr">正則表達(dá)式字符串</param> /// <param name="ifIgnoreCase">匹配時是否不區(qū)分大小寫</param> /// <param name="ifValidateWhiteSpace">是否驗證空白字符串</param> /// <returns>是否匹配</returns> public static bool IsMatch(string inputStr, string patternStr, bool ifIgnoreCase, bool ifValidateWhiteSpace) { if (!ifValidateWhiteSpace && string.IsNullOrEmpty(inputStr)) return false;//如果不要求驗證空白字符串而此時傳入的待驗證字符串為空白字符串，則不匹配 Regex regex = null; if (ifIgnoreCase) regex = new Regex(patternStr, RegexOptions.IgnoreCase);//指定不區(qū)分大小寫的匹配 else regex = new Regex(patternStr); return regex.IsMatch(inputStr); } #endregion #region 驗證方法 /// <summary> /// 驗證數(shù)字(double類型) /// [可以包含負(fù)號和小數(shù)點] /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsNumber(string input) { //string pattern = @"^-?\d+$|^(-?\d+)(\.\d+)?$"; //return IsMatch(input, pattern); double d = 0; if (double.TryParse(input, out d)) return true; else return false; } /// <summary> /// 驗證整數(shù) /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsInteger(string input) { //string pattern = @"^-?\d+$"; //return IsMatch(input, pattern); int i = 0; if (int.TryParse(input, out i)) return true; else return false; } /// <summary> /// 驗證非負(fù)整數(shù) /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsIntegerNotNagtive(string input) { //string pattern = @"^\d+$"; //return IsMatch(input, pattern); int i = -1; if (int.TryParse(input, out i) && i >= 0) return true; else return false; } /// <summary> /// 驗證正整數(shù) /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsIntegerPositive(string input) { //string pattern = @"^[0-9]*[1-9][0-9]*$"; //return IsMatch(input, pattern); int i = 0; if (int.TryParse(input, out i) && i >= 1) return true; else return false; } /// <summary> /// 驗證小數(shù) /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsDecimal(string input) { string pattern = @"^([-+]?[1-9]\d*\.\d+|-?0\.\d*[1-9]\d*)$"; return IsMatch(input, pattern); } /// <summary> /// 驗證只包含英文字母 /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsEnglishCharacter(string input) { string pattern = @"^[A-Za-z]+$"; return IsMatch(input, pattern); } /// <summary> /// 驗證只包含數(shù)字和英文字母 /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsIntegerAndEnglishCharacter(string input) { string pattern = @"^[0-9A-Za-z]+$"; return IsMatch(input, pattern); } /// <summary> /// 驗證只包含漢字 /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsChineseCharacter(string input) { string pattern = @"^[\u4e00-\u9fa5]+$"; return IsMatch(input, pattern); } /// <summary> /// 驗證數(shù)字長度范圍（數(shù)字前端的0計長度） /// [若要驗證固定長度，可傳入相同的兩個長度數(shù)值] /// </summary> /// <param name="input">待驗證的字符串</param> /// <param name="lengthBegin">長度范圍起始值（含）</param> /// <param name="lengthEnd">長度范圍結(jié)束值（含）</param> /// <returns>是否匹配</returns> public static bool IsIntegerLength(string input, int lengthBegin, int lengthEnd) { //string pattern = @"^\d{" + lengthBegin + "," + lengthEnd + "}$"; //return IsMatch(input, pattern); if (input.Length >= lengthBegin && input.Length <= lengthEnd) { int i; if (int.TryParse(input, out i)) return true; else return false; } else return false; } /// <summary> /// 驗證字符串包含內(nèi)容 /// </summary> /// <param name="input">待驗證的字符串</param> /// <param name="withEnglishCharacter">是否包含英文字母</param> /// <param name="withNumber">是否包含數(shù)字</param> /// <param name="withChineseCharacter">是否包含漢字</param> /// <returns>是否匹配</returns> public static bool IsStringInclude(string input, bool withEnglishCharacter, bool withNumber, bool withChineseCharacter) { if (!withEnglishCharacter && !withNumber && !withChineseCharacter) return false;//如果英文字母、數(shù)字和漢字都沒有，則返回false StringBuilder patternString = new StringBuilder(); patternString.Append("^["); if (withEnglishCharacter) patternString.Append("a-zA-Z"); if (withNumber) patternString.Append("0-9"); if (withChineseCharacter) patternString.Append(@"\u4E00-\u9FA5"); patternString.Append("]+$"); return IsMatch(input, patternString.ToString()); } /// <summary> /// 驗證字符串長度范圍 /// [若要驗證固定長度，可傳入相同的兩個長度數(shù)值] /// </summary> /// <param name="input">待驗證的字符串</param> /// <param name="lengthBegin">長度范圍起始值（含）</param> /// <param name="lengthEnd">長度范圍結(jié)束值（含）</param> /// <returns>是否匹配</returns> public static bool IsStringLength(string input, int lengthBegin, int lengthEnd) { //string pattern = @"^.{" + lengthBegin + "," + lengthEnd + "}$"; //return IsMatch(input, pattern); if (input.Length >= lengthBegin && input.Length <= lengthEnd) return true; else return false; } /// <summary> /// 驗證字符串長度范圍（字符串內(nèi)只包含數(shù)字和/或英文字母） /// [若要驗證固定長度，可傳入相同的兩個長度數(shù)值] /// </summary> /// <param name="input">待驗證的字符串</param> /// <param name="lengthBegin">長度范圍起始值（含）</param> /// <param name="lengthEnd">長度范圍結(jié)束值（含）</param> /// <returns>是否匹配</returns> public static bool IsStringLengthOnlyNumberAndEnglishCharacter(string input, int lengthBegin, int lengthEnd) { string pattern = @"^[0-9a-zA-Z]{" + lengthBegin + "," + lengthEnd + "}$"; return IsMatch(input, pattern); } /// <summary> /// 驗證字符串長度范圍 /// [若要驗證固定長度，可傳入相同的兩個長度數(shù)值] /// </summary> /// <param name="input">待驗證的字符串</param> /// <param name="withEnglishCharacter">是否包含英文字母</param> /// <param name="withNumber">是否包含數(shù)字</param> /// <param name="withChineseCharacter">是否包含漢字</param> /// <param name="lengthBegin">長度范圍起始值（含）</param> /// <param name="lengthEnd">長度范圍結(jié)束值（含）</param> /// <returns>是否匹配</returns> public static bool IsStringLengthByInclude(string input, bool withEnglishCharacter, bool withNumber, bool withChineseCharacter, int lengthBegin, int lengthEnd) { if (!withEnglishCharacter && !withNumber && !withChineseCharacter) return false;//如果英文字母、數(shù)字和漢字都沒有，則返回false StringBuilder patternString = new StringBuilder(); patternString.Append("^["); if (withEnglishCharacter) patternString.Append("a-zA-Z"); if (withNumber) patternString.Append("0-9"); if (withChineseCharacter) patternString.Append(@"\u4E00-\u9FA5"); patternString.Append("]{" + lengthBegin + "," + lengthEnd + "}$"); return IsMatch(input, patternString.ToString()); } /// <summary> /// 驗證字符串字節(jié)數(shù)長度范圍 /// [若要驗證固定長度，可傳入相同的兩個長度數(shù)值；每個漢字為兩個字節(jié)長度] /// </summary> /// <param name="input">待驗證的字符串</param> /// <param name="lengthBegin">長度范圍起始值（含）</param> /// <param name="lengthEnd">長度范圍結(jié)束值（含）</param> /// <returns></returns> public static bool IsStringByteLength(string input, int lengthBegin, int lengthEnd) { //int byteLength = Regex.Replace(input, @"[^\x00-\xff]", "ok").Length; //if (byteLength >= lengthBegin && byteLength <= lengthEnd) //{ // return true; //} //return false; int byteLength = Encoding.Default.GetByteCount(input); if (byteLength >= lengthBegin && byteLength <= lengthEnd) return true; else return false; } /// <summary> /// 驗證日期 /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsDateTime(string input) { DateTime dt; if (DateTime.TryParse(input, out dt)) return true; else return false; } /// <summary> /// 驗證固定電話號碼 /// [3位或4位區(qū)號；區(qū)號可以用小括號括起來；區(qū)號可以省略；區(qū)號與本地號間可以用減號或空格隔開；可以有3位數(shù)的分機(jī)號，分機(jī)號前要加減號] /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsTelePhoneNumber(string input) { string pattern = @"^(((0\d{2}|0\d{2})[- ]?)?\d{8}|((0\d{3}|0\d{3})[- ]?)?\d{7})(-\d{3})?$"; return IsMatch(input, pattern); } /// <summary> /// 驗證手機(jī)號碼 /// [可匹配"(+86)013325656352"，括號可以省略，+號可以省略，(+86)可以省略，11位手機(jī)號前的0可以省略；11位手機(jī)號第二位數(shù)可以是3、4、5、8中的任意一個] /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsMobilePhoneNumber(string input) { string pattern = @"^((\+)?86|((\+)?86)?)0?1[3458]\d{9}$"; return IsMatch(input, pattern); } /// <summary> /// 驗證電話號碼（可以是固定電話號碼或手機(jī)號碼） /// [固定電話：[3位或4位區(qū)號；區(qū)號可以用小括號括起來；區(qū)號可以省略；區(qū)號與本地號間可以用減號或空格隔開；可以有3位數(shù)的分機(jī)號，分機(jī)號前要加減號]] /// [手機(jī)號碼：[可匹配"(+86)013325656352"，括號可以省略，+號可以省略，(+86)可以省略，手機(jī)號前的0可以省略；手機(jī)號第二位數(shù)可以是3、4、5、8中的任意一個]] /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsPhoneNumber(string input) { string pattern = @"^((\+)?86|((\+)?86)?)0?1[3458]\d{9}$|^(((0\d{2}|0\d{2})[- ]?)?\d{8}|((0\d{3}|0\d{3})[- ]?)?\d{7})(-\d{3})?$"; return IsMatch(input, pattern); } /// <summary> /// 驗證郵政編碼 /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsZipCode(string input) { //string pattern = @"^\d{6}$"; //return IsMatch(input, pattern); if (input.Length != 6) return false; int i; if (int.TryParse(input, out i)) return true; else return false; } /// <summary> /// 驗證電子郵箱 /// [@字符前可以包含字母、數(shù)字、下劃線和點號；@字符后可以包含字母、數(shù)字、下劃線和點號；@字符后至少包含一個點號且點號不能是最后一個字符；最后一個點號后只能是字母或數(shù)字] /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsEmail(string input) { ////郵箱名以數(shù)字或字母開頭；郵箱名可由字母、數(shù)字、點號、減號、下劃線組成；郵箱名（@前的字符）長度為3～18個字符；郵箱名不能以點號、減號或下劃線結(jié)尾；不能出現(xiàn)連續(xù)兩個或兩個以上的點號、減號。 //string pattern = @"^[a-zA-Z0-9]((?<!(\.\.|--))[a-zA-Z0-9\._-]){1,16}[a-zA-Z0-9]@([0-9a-zA-Z][0-9a-zA-Z-]{0,62}\.)+([0-9a-zA-Z][0-9a-zA-Z-]{0,62})\.?|((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$"; string pattern = @"^([\w-\.]+)@([\w-\.]+)(\.[a-zA-Z0-9]+)$"; return IsMatch(input, pattern); } /// <summary> /// 驗證網(wǎng)址（可以匹配IPv4地址但沒對IPv4地址進(jìn)行格式驗證；IPv6暫時沒做匹配） /// [允許省略"://"；可以添加端口號；允許層級；允許傳參；域名中至少一個點號且此點號前要有內(nèi)容] /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsURL(string input) { ////每級域名由字母、數(shù)字和減號構(gòu)成（第一個字母不能是減號），不區(qū)分大小寫，單個域長度不超過63，完整的域名全長不超過256個字符。在DNS系統(tǒng)中，全名是以一個點“.”來結(jié)束的，例如“www.nit.edu.cn.”。沒有最后的那個點則表示一個相對地址。 ////沒有例如"http://"的前綴，沒有傳參的匹配 //string pattern = @"^([0-9a-zA-Z][0-9a-zA-Z-]{0,62}\.)+([0-9a-zA-Z][0-9a-zA-Z-]{0,62})\.?$"; //string pattern = @"^(((file|gopher|news|nntp|telnet|http|ftp|https|ftps|sftp)://)|(www\.))+(([a-zA-Z0-9\._-]+\.[a-zA-Z]{2,6})|([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}))(/[a-zA-Z0-9\&%_\./-~-]*)?$"; string pattern = @"^([a-zA-Z]+://)?([\w-\.]+)(\.[a-zA-Z0-9]+)(:\d{0,5})?/?([\w-/]*)\.?([a-zA-Z]*)\??(([\w-]*=[\w%]*&?)*)$"; return IsMatch(input, pattern); } /// <summary> /// 驗證IPv4地址 /// [第一位和最后一位數(shù)字不能是0或255；允許用0補位] /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsIPv4(string input) { //string pattern = @"^(25[0-4]|2[0-4]\d]|[01]?\d{2}|[1-9])\.(25[0-5]|2[0-4]\d]|[01]?\d?\d)\.(25[0-5]|2[0-4]\d]|[01]?\d?\d)\.(25[0-4]|2[0-4]\d]|[01]?\d{2}|[1-9])$"; //return IsMatch(input, pattern); string[] IPs = input.Split('.'); if (IPs.Length != 4) return false; int n = -1; for (int i = 0; i < IPs.Length; i++) { if (i == 0 || i == 3) { if (int.TryParse(IPs[i], out n) && n > 0 && n < 255) continue; else return false; } else { if (int.TryParse(IPs[i], out n) && n >= 0 && n <= 255) continue; else return false; } } return true; } /// <summary> /// 驗證IPv6地址 /// [可用于匹配任何一個合法的IPv6地址] /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsIPv6(string input) { string pattern = @"^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$"; return IsMatch(input, pattern); } /// <summary> /// 身份證上數(shù)字對應(yīng)的地址 /// </summary> //enum IDAddress //{ // 北京 = 11, 天津 = 12, 河北 = 13, 山西 = 14, 內(nèi)蒙古 = 15, 遼寧 = 21, 吉林 = 22, 黑龍江 = 23, 上海 = 31, 江蘇 = 32, 浙江 = 33, // 安徽 = 34, 福建 = 35, 江西 = 36, 山東 = 37, 河南 = 41, 湖北 = 42, 湖南 = 43, 廣東 = 44, 廣西 = 45, 海南 = 46, 重慶 = 50, 四川 = 51, // 貴州 = 52, 云南 = 53, 西藏 = 54, 陜西 = 61, 甘肅 = 62, 青海 = 63, 寧夏 = 64, 新疆 = 65, 臺灣 = 71, 香港 = 81, 澳門 = 82, 國外 = 91 //} /// <summary> /// 驗證一代身份證號（15位數(shù)） /// [長度為15位的數(shù)字；匹配對應(yīng)省份地址；生日能正確匹配] /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsIDCard15(string input) { //驗證是否可以轉(zhuǎn)換為15位整數(shù) long l = 0; if (!long.TryParse(input, out l) || l.ToString().Length != 15) { return false; } //驗證省份是否匹配 //1~6位為地區(qū)代碼，其中1、2位數(shù)為各省級政府的代碼，3、4位數(shù)為地、市級政府的代碼，5、6位數(shù)為縣、區(qū)級政府代碼。 string address = "11,12,13,14,15,21,22,23,31,32,33,34,35,36,37,41,42,43,44,45,46,50,51,52,53,54,61,62,63,64,65,71,81,82,91,"; if (!address.Contains(input.Remove(2) + ",")) { return false; } //驗證生日是否匹配 string birthdate = input.Substring(6, 6).Insert(4, "/").Insert(2, "/"); DateTime dt; if (!DateTime.TryParse(birthdate, out dt)) { return false; } return true; } /// <summary> /// 驗證二代身份證號（18位數(shù)，GB11643-1999標(biāo)準(zhǔn)） /// [長度為18位；前17位為數(shù)字，最后一位(校驗碼)可以為大小寫x；匹配對應(yīng)省份地址；生日能正確匹配；校驗碼能正確匹配] /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsIDCard18(string input) { //驗證是否可以轉(zhuǎn)換為正確的整數(shù) long l = 0; if (!long.TryParse(input.Remove(17), out l) || l.ToString().Length!=17 || !long.TryParse(input.Replace('x', '0').Replace('X', '0'), out l)) { return false; } //驗證省份是否匹配 //1~6位為地區(qū)代碼，其中1、2位數(shù)為各省級政府的代碼，3、4位數(shù)為地、市級政府的代碼，5、6位數(shù)為縣、區(qū)級政府代碼。 string address = "11,12,13,14,15,21,22,23,31,32,33,34,35,36,37,41,42,43,44,45,46,50,51,52,53,54,61,62,63,64,65,71,81,82,91,"; if (!address.Contains(input.Remove(2) + ",")) { return false; } //驗證生日是否匹配 string birthdate = input.Substring(6, 8).Insert(6, "/").Insert(4, "/"); DateTime dt; if (!DateTime.TryParse(birthdate, out dt)) { return false; } //校驗碼驗證 //校驗碼： //（1）十七位數(shù)字本體碼加權(quán)求和公式 //S = Sum(Ai * Wi), i = 0, ... , 16 ，先對前17位數(shù)字的權(quán)求和 //Ai:表示第i位置上的身份證號碼數(shù)字值 //Wi:表示第i位置上的加權(quán)因子 //Wi: 7 9 10 5 8 4 2 1 6 3 7 9 10 5 8 4 2 //（2）計算模 //Y = mod(S, 11) //（3）通過模得到對應(yīng)的校驗碼 //Y: 0 1 2 3 4 5 6 7 8 9 10 //校驗碼: 1 0 X 9 8 7 6 5 4 3 2 string[] arrVarifyCode = ("1,0,x,9,8,7,6,5,4,3,2").Split(','); string[] Wi = ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(','); char[] Ai = input.Remove(17).ToCharArray(); int sum = 0; for (int i = 0; i < 17; i++) { sum += int.Parse(Wi[i]) * int.Parse(Ai[i].ToString()); } int y = -1; Math.DivRem(sum, 11, out y); if (arrVarifyCode[y] != input.Substring(17, 1).ToLower()) { return false; } return true; } /// <summary> /// 驗證身份證號（不區(qū)分一二代身份證號） /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsIDCard(string input) { if (input.Length == 18) return IsIDCard18(input); else if (input.Length == 15) return IsIDCard15(input); else return false; } /// <summary> /// 驗證經(jīng)度 /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsLongitude(string input) { ////范圍為-180～180，小數(shù)位數(shù)必須是1到5位 //string pattern = @"^[-\+]?((1[0-7]\d{1}|0?\d{1,2})\.\d{1,5}|180\.0{1,5})$"; //return IsMatch(input, pattern); float lon; if (float.TryParse(input, out lon) && lon >= -180 && lon <= 180) return true; else return false; } /// <summary> /// 驗證緯度 /// </summary> /// <param name="input">待驗證的字符串</param> /// <returns>是否匹配</returns> public static bool IsLatitude(string input) { ////范圍為-90～90，小數(shù)位數(shù)必須是1到5位 //string pattern = @"^[-\+]?([0-8]?\d{1}\.\d{1,5}|90\.0{1,5})$"; //return IsMatch(input, pattern); float lat; if (float.TryParse(input, out lat) && lat >= -90 && lat <= 90) return true; else return false; } #endregion } }

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轉(zhuǎn)載于:https://www.cnblogs.com/noteswiki/p/6095868.html

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