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C# 正則表示式檢查輸入字元

public class Validator
  2         {
  3             #region 匹配方法
  4             /// <summary>  
  5             /// 驗證字串是否匹配正則表示式描述的規則  
  6             /// </summary>  
  7             /// <param name="inputStr">待驗證的字串</param>  
  8             /// <param name="patternStr">正則表示式字串</param>  
  9             /// <returns>是否匹配</returns>  
 10             public static bool IsMatch(string inputStr, string patternStr)
 11             {
 12                 return IsMatch(inputStr, patternStr, false, false);
 13             }
 14 
 15             /// <summary>  
 16             /// 驗證字串是否匹配正則表示式描述的規則  
 17             /// </summary>  
 18             /// <param name="inputStr">待驗證的字串</param>  
 19             /// <param name="patternStr">正則表示式字串</param>  
 20             /// <param name="ifIgnoreCase">匹配時是否不區分大小寫</param>  
 21             /// <returns>是否匹配</returns>  
 22             public static bool IsMatch(string inputStr, string patternStr, bool ifIgnoreCase)
 23             {
 24                 return IsMatch(inputStr, patternStr, ifIgnoreCase, false);
 25             }
 26 
 27             /// <summary>  
 28             /// 驗證字串是否匹配正則表示式描述的規則  
 29             /// </summary>  
 30             /// <param name="inputStr">待驗證的字串</param>  
 31             /// <param name="patternStr">正則表示式字串</param>  
 32             /// <param name="ifValidateWhiteSpace">是否驗證空白字串</param>  
 33             /// <returns>是否匹配</returns>  
 34             public static bool IsMatch(string inputStr, string patternStr, bool ifValidateWhiteSpace)
 35             {
 36                 return IsMatch(inputStr, patternStr, false, ifValidateWhiteSpace);
 37             }
 38 
 39             /// <summary>  
 40             /// 驗證字串是否匹配正則表示式描述的規則  
 41             /// </summary>  
 42             /// <param name="inputStr">待驗證的字串</param>  
 43             /// <param name="patternStr">正則表示式字串</param>  
 44             /// <param name="ifIgnoreCase">匹配時是否不區分大小寫</param>  
 45             /// <param name="ifValidateWhiteSpace">是否驗證空白字串</param>  
 46             /// <returns>是否匹配</returns>  
 47             public static bool IsMatch(string inputStr, string patternStr, bool ifIgnoreCase, bool ifValidateWhiteSpace)
 48             {
 49                 if (!ifValidateWhiteSpace && string.IsNullOrWhiteSpace(inputStr))//.NET 4.0 新增IsNullOrWhiteSpace 方法,便於對使用者做處理
 50                     return false;//如果不要求驗證空白字串而此時傳入的待驗證字串為空白字串,則不匹配  
 51                 Regex regex = null;
 52                 if (ifIgnoreCase)
 53                     regex = new Regex(patternStr, RegexOptions.IgnoreCase);//指定不區分大小寫的匹配  
 54                 else
 55                     regex = new Regex(patternStr);
 56                 return regex.IsMatch(inputStr);
 57             }
 58             #endregion
 59 
 60             #region 驗證方法
 61             /// <summary>  
 62             /// 驗證數字(double型別)  
 63             /// [可以包含負號和小數點]  
 64             /// </summary>  
 65             /// <param name="input">待驗證的字串</param>  
 66             /// <returns>是否匹配</returns>  
 67             public static bool IsNumber(string input)
 68             {
 69                 //string pattern = @"^-?\d+$|^(-?\d+)(\.\d+)?$";  
 70                 //return IsMatch(input, pattern);  
 71                 double d = 0;
 72                 if (double.TryParse(input, out d))
 73                     return true;
 74                 else
 75                     return false;
 76             }
 77 
 78             /// <summary>  
 79             /// 驗證整數  
 80             /// </summary>  
 81             /// <param name="input">待驗證的字串</param>  
 82             /// <returns>是否匹配</returns>  
 83             public static bool IsInteger(string input)
 84             {
 85                 //string pattern = @"^-?\d+$";  
 86                 //return IsMatch(input, pattern);  
 87                 int i = 0;
 88                 if (int.TryParse(input, out i))
 89                     return true;
 90                 else
 91                     return false;
 92             }
 93 
 94             /// <summary>  
 95             /// 驗證非負整數  
 96             /// </summary>  
 97             /// <param name="input">待驗證的字串</param>  
 98             /// <returns>是否匹配</returns>  
 99             public static bool IsIntegerNotNagtive(string input)
100             {
101                 //string pattern = @"^\d+$";  
102                 //return IsMatch(input, pattern);  
103                 int i = -1;
104                 if (int.TryParse(input, out i) && i >= 0)
105                     return true;
106                 else
107                     return false;
108             }
109 
110             /// <summary>  
111             /// 驗證正整數  
112             /// </summary>  
113             /// <param name="input">待驗證的字串</param>  
114             /// <returns>是否匹配</returns>  
115             public static bool IsIntegerPositive(string input)
116             {
117                 //string pattern = @"^[0-9]*[1-9][0-9]*$";  
118                 //return IsMatch(input, pattern);  
119                 int i = 0;
120                 if (int.TryParse(input, out i) && i >= 1)
121                     return true;
122                 else
123                     return false;
124             }
125 
126             /// <summary>  
127             /// 驗證小數  
128             /// </summary>  
129             /// <param name="input">待驗證的字串</param>  
130             /// <returns>是否匹配</returns>  
131             public static bool IsDecimal(string input)
132             {
133                 string pattern = @"^([-+]?[1-9]\d*\.\d+|-?0\.\d*[1-9]\d*)$";
134                 return IsMatch(input, pattern);
135             }
136 
137             /// <summary>  
138             /// 驗證只包含英文字母  
139             /// </summary>  
140             /// <param name="input">待驗證的字串</param>  
141             /// <returns>是否匹配</returns>  
142             public static bool IsEnglishCharacter(string input)
143             {
144                 string pattern = @"^[A-Za-z]+$";
145                 return IsMatch(input, pattern);
146             }
147 
148             /// <summary>  
149             /// 驗證只包含數字和英文字母  
150             /// </summary>  
151             /// <param name="input">待驗證的字串</param>  
152             /// <returns>是否匹配</returns>  
153             public static bool IsIntegerAndEnglishCharacter(string input)
154             {
155                 string pattern = @"^[0-9A-Za-z]+$";
156                 return IsMatch(input, pattern);
157             }
158 
159             /// <summary>  
160             /// 驗證只包含漢字  
161             /// </summary>  
162             /// <param name="input">待驗證的字串</param>  
163             /// <returns>是否匹配</returns>  
164             public static bool IsChineseCharacter(string input)
165             {
166                 string pattern = @"^[\u4e00-\u9fa5]+$";
167                 return IsMatch(input, pattern);
168             }
169 
170             /// <summary>  
171             /// 驗證數字長度範圍(數字前端的0計長度)  
172             /// [若要驗證固定長度,可傳入相同的兩個長度數值]  
173             /// </summary>  
174             /// <param name="input">待驗證的字串</param>  
175             /// <param name="lengthBegin">長度範圍起始值(含)</param>  
176             /// <param name="lengthEnd">長度範圍結束值(含)</param>  
177             /// <returns>是否匹配</returns>  
178             public static bool IsIntegerLength(string input, int lengthBegin, int lengthEnd)
179             {
180                 //string pattern = @"^\d{" + lengthBegin + "," + lengthEnd + "}$";  
181                 //return IsMatch(input, pattern);  
182                 if (input.Length >= lengthBegin && input.Length <= lengthEnd)
183                 {
184                     int i;
185                     if (int.TryParse(input, out i))
186                         return true;
187                     else
188                         return false;
189                 }
190                 else
191                     return false;
192             }
193 
194             /// <summary>  
195             /// 驗證字串包含內容  
196             /// </summary>  
197             /// <param name="input">待驗證的字串</param>  
198             /// <param name="withEnglishCharacter">是否包含英文字母</param>  
199             /// <param name="withNumber">是否包含數字</param>  
200             /// <param name="withChineseCharacter">是否包含漢字</param>  
201             /// <returns>是否匹配</returns>  
202             public static bool IsStringInclude(string input, bool withEnglishCharacter, bool withNumber, bool withChineseCharacter)
203             {
204                 if (!withEnglishCharacter && !withNumber && !withChineseCharacter)
205                     return false;//如果英文字母、數字和漢字都沒有,則返回false  
206                 StringBuilder patternString = new StringBuilder();
207                 patternString.Append("^[");
208                 if (withEnglishCharacter)
209                     patternString.Append("a-zA-Z");
210                 if (withNumber)
211                     patternString.Append("0-9");
212                 if (withChineseCharacter)
213                     patternString.Append(@"\u4E00-\u9FA5");
214                 patternString.Append("]+$");
215                 return IsMatch(input, patternString.ToString());
216             }
217 
218             /// <summary>  
219             /// 驗證字串長度範圍  
220             /// [若要驗證固定長度,可傳入相同的兩個長度數值]  
221             /// </summary>  
222             /// <param name="input">待驗證的字串</param>  
223             /// <param name="lengthBegin">長度範圍起始值(含)</param>  
224             /// <param name="lengthEnd">長度範圍結束值(含)</param>  
225             /// <returns>是否匹配</returns>  
226             public static bool IsStringLength(string input, int lengthBegin, int lengthEnd)
227             {
228                 //string pattern = @"^.{" + lengthBegin + "," + lengthEnd + "}$";  
229                 //return IsMatch(input, pattern);  
230                 if (input.Length >= lengthBegin && input.Length <= lengthEnd)
231                     return true;
232                 else
233                     return false;
234             }
235 
236             /// <summary>  
237             /// 驗證字串長度範圍(字串內只包含數字和/或英文字母)  
238             /// [若要驗證固定長度,可傳入相同的兩個長度數值]  
239             /// </summary>  
240             /// <param name="input">待驗證的字串</param>  
241             /// <param name="lengthBegin">長度範圍起始值(含)</param>  
242             /// <param name="lengthEnd">長度範圍結束值(含)</param>  
243             /// <returns>是否匹配</returns>  
244             public static bool IsStringLengthOnlyNumberAndEnglishCharacter(string input, int lengthBegin, int lengthEnd)
245             {
246                 string pattern = @"^[0-9a-zA-z]{" + lengthBegin + "," + lengthEnd + "}$";
247                 return IsMatch(input, pattern);
248             }
249 
250             /// <summary>  
251             /// 驗證字串長度範圍  
252             /// [若要驗證固定長度,可傳入相同的兩個長度數值]  
253             /// </summary>  
254             /// <param name="input">待驗證的字串</param>  
255             /// <param name="withEnglishCharacter">是否包含英文字母</param>  
256             /// <param name="withNumber">是否包含數字</param>  
257             /// <param name="withChineseCharacter">是否包含漢字</param>  
258             /// <param name="lengthBegin">長度範圍起始值(含)</param>  
259             /// <param name="lengthEnd">長度範圍結束值(含)</param>  
260             /// <returns>是否匹配</returns>  
261             public static bool IsStringLengthByInclude(string input, bool withEnglishCharacter, bool withNumber, bool withChineseCharacter, int lengthBegin, int lengthEnd)
262             {
263                 if (!withEnglishCharacter && !withNumber && !withChineseCharacter)
264                     return false;//如果英文字母、數字和漢字都沒有,則返回false  
265                 StringBuilder patternString = new StringBuilder();
266                 patternString.Append("^[");
267                 if (withEnglishCharacter)
268                     patternString.Append("a-zA-Z");
269                 if (withNumber)
270                     patternString.Append("0-9");
271                 if (withChineseCharacter)
272                     patternString.Append(@"\u4E00-\u9FA5");
273                 patternString.Append("]{" + lengthBegin + "," + lengthEnd + "}$");
274                 return IsMatch(input, patternString.ToString());
275             }
276 
277             /// <summary>  
278             /// 驗證字串位元組數長度範圍  
279             /// [若要驗證固定長度,可傳入相同的兩個長度數值;每個漢字為兩個位元組長度]  
280             /// </summary>  
281             /// <param name="input">待驗證的字串</param>  
282             /// <param name="lengthBegin">長度範圍起始值(含)</param>  
283             /// <param name="lengthEnd">長度範圍結束值(含)</param>  
284             /// <returns></returns>  
285             public static bool IsStringByteLength(string input, int lengthBegin, int lengthEnd)
286             {
287                 //int byteLength = Regex.Replace(input, @"[^\x00-\xff]", "ok").Length;  
288                 //if (byteLength >= lengthBegin && byteLength <= lengthEnd)  
289                 //{  
290                 //    return true;  
291                 //}  
292                 //return false;  
293                 int byteLength = Encoding.Default.GetByteCount(input);
294                 if (byteLength >= lengthBegin && byteLength <= lengthEnd)
295                     return true;
296                 else
297                     return false;
298             }
299 
300             /// <summary>  
301             /// 驗證日期  
302             /// </summary>  
303             /// <param name="input">待驗證的字串</param>  
304             /// <returns>是否匹配</returns>  
305             public static bool IsDateTime(string input)
306             {
307                 DateTime dt;
308                 if (DateTime.TryParse(input, out dt))
309                     return true;
310                 else
311                     return false;
312             }
313 
314             /// <summary>  
315             /// 驗證固定電話號碼  
316             /// [3位或4位區號;區號可以用小括號括起來;區號可以省略;區號與本地號間可以用減號或空格隔開;可以有3位數的分機號,分機號前要加減號]  
317             /// </summary>  
318             /// <param name="input">待驗證的字串</param>  
319             /// <returns>是否匹配</returns>  
320             public static bool IsTelePhoneNumber(string input)
321             {
322                 string pattern = @"^(((0\d2|0\d{2})[- ]?)?\d{8}|((0\d3|0\d{3})[- ]?)?\d{7})(-\d{3})?$";
323                 return IsMatch(input, pattern);
324             }
325 
326             /// <summary>  
327             /// 驗證手機號碼  
328             /// [可匹配"(+86)013325656352",括號可以省略,+號可以省略,(+86)可以省略,11位手機號前的0可以省略;11位手機號第二位數可以是3、4、5、8中的任意一個]  
329             /// </summary>  
330             /// <param name="input">待驗證的字串</param>  
331             /// <returns>是否匹配</returns>  
332             public static bool IsMobilePhoneNumber(string input)
333             {
334                 string pattern = @"^((\+)?86|((\+)?86)?)0?1[3458]\d{9}$";
335                 return IsMatch(input, pattern);
336             }
337 
338             /// <summary>  
339             /// 驗證電話號碼(可以是固定電話號碼或手機號碼)  
340             /// [固定電話:[3位或4位區號;區號可以用小括號括起來;區號可以省略;區號與本地號間可以用減號或空格隔開;可以有3位數的分機號,分機號前要加減號]]  
341             /// [手機號碼:[可匹配"(+86)013325656352",括號可以省略,+號可以省略,(+86)可以省略,手機號前的0可以省略;手機號第二位數可以是3、4、5、8中的任意一個]]  
342             /// </summary>  
343             /// <param name="input">待驗證的字串</param>  
344             /// <returns>是否匹配</returns>  
345             public static bool IsPhoneNumber(string input)
346             {
347                 string pattern = @"^((\+)?86|((\+)?86)?)0?1[3458]\d{9}$|^(((0\d2|0\d{2})[- ]?)?\d{8}|((0\d3|0\d{3})[- ]?)?\d{7})(-\d{3})?$";
348                 return IsMatch(input, pattern);
349             }
350 
351             /// <summary>  
352             /// 驗證郵政編碼  
353             /// </summary>  
354             /// <param name="input">待驗證的字串</param>  
355             /// <returns>是否匹配</returns>  
356             public static bool IsZipCode(string input)
357             {
358                 //string pattern = @"^\d{6}$";  
359                 //return IsMatch(input, pattern);  
360                 if (input.Length != 6)
361                     return false;
362                 int i;
363                 if (int.TryParse(input, out i))
364                     return true;
365                 else
366                     return false;
367             }
368 
369             /// <summary>  
370             /// 驗證電子郵箱  
371             /// [@字元前可以包含字母、數字、下劃線和點號;@字元後可以包含字母、數字、下劃線和點號;@字元後至少包含一個點號且點號不能是最後一個字元;最後一個點號後只能是字母或數字]  
372             /// </summary>  
373             /// <param name="input">待驗證的字串</param>  
374             /// <returns>是否匹配</returns>  
375             public static bool IsEmail(string input)
376             {
377                 ////郵箱名以數字或字母開頭;郵箱名可由字母、數字、點號、減號、下劃線組成;郵箱名(@前的字元)長度為3~18個字元;郵箱名不能以點號、減號或下劃線結尾;不能出現連續兩個或兩個以上的點號、減號。  
378                 //string pattern = @"^[a-zA-Z0-9]((?<!(\.\.|--))[a-zA-Z0-9\._-]){1,16}[a-zA-Z0-9]@([0-9a-zA-Z][0-9a-zA-Z-]{0,62}\.)+([0-9a-zA-Z][0-9a-zA-Z-]{0,62})\.?|((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$";  
379                 string pattern = @"^([\w-\.]+)@([\w-\.]+)(\.[a-zA-Z0-9]+)$";
380                 return IsMatch(input, pattern);
381             }
382 
383             /// <summary>  
384             /// 驗證網址(可以匹配IPv4地址但沒對IPv4地址進行格式驗證;IPv6暫時沒做匹配)  
385             /// [允許省略"://";可以新增埠號;允許層級;允許傳參;域名中至少一個點號且此點號前要有內容]  
386             /// </summary>  
387             /// <param name="input">待驗證的字串</param>  
388             /// <returns>是否匹配</returns>  
389             public static bool IsURL(string input)
390             {
391                 ////每級域名由字母、數字和減號構成(第一個字母不能是減號),不區分大小寫,單個域長度不超過63,完整的域名全長不超過256個字元。在DNS系統中,全名是以一個點“.”來結束的,例如“www.nit.edu.cn.”。沒有最後的那個點則表示一個相對地址。   
392                 ////沒有例如"http://"的字首,沒有傳參的匹配  
393                 //string pattern = @"^([0-9a-zA-Z][0-9a-zA-Z-]{0,62}\.)+([0-9a-zA-Z][0-9a-zA-Z-]{0,62})\.?$";  
394 
395                 //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\&%_\./-~-]*)?$";  
396                 string pattern = @"^([a-zA-Z]+://)?([\w-\.]+)(\.[a-zA-Z0-9]+)(:\d{0,5})?/?([\w-/]*)\.?([a-zA-Z]*)\??(([\w-]*=[\w%]*&?)*)$";
397                 return IsMatch(input, pattern);
398             }
399 
400             /// <summary>  
401             /// 驗證IPv4地址  
402             /// [第一位和最後一位數字不能是0或255;允許用0補位]  
403             /// </summary>  
404             /// <param name="input">待驗證的字串</param>  
405             /// <returns>是否匹配</returns>  
406             public static bool IsIPv4(string input)
407             {
408                 //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])$";  
409                 //return IsMatch(input, pattern);  
410                 string[] IPs = input.Split('.');
411                 if (IPs.Length != 4)
412                     return false;
413                 int n = -1;
414                 for (int i = 0; i < IPs.Length; i++)
415                 {
416                     if (i == 0 || i == 3)
417                     {
418                         if (int.TryParse(IPs[i], out n) && n > 0 && n < 255)
419                             continue;
420                         else
421                             return false;
422                     }
423                     else
424                     {
425                         if (int.TryParse(IPs[i], out n) && n >= 0 && n <= 255)
426                             continue;
427                         else
428                             return false;
429                     }
430                 }
431                 return true;
432             }
433 
434             /// <summary>  
435             /// 驗證IPv6地址  
436             /// [可用於匹配任何一個合法的IPv6地址]  
437             /// </summary>  
438             /// <param name="input">待驗證的字串</param>  
439             /// <returns>是否匹配</returns>  
440             public static bool IsIPv6(string input)
441             {
442                 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*$";
443                 return IsMatch(input, pattern);
444             }
445 
446             /// <summary>  
447             /// 身份證上數字對應的地址  
448             /// </summary>  
449             //enum IDAddress  
450             //{  
451             //    北京 = 11, 天津 = 12, 河北 = 13, 山西 = 14, 內蒙古 = 15, 遼寧 = 21, 吉林 = 22, 黑龍江 = 23, 上海 = 31, 江蘇 = 32, 浙江 = 33,  
452             //    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,  
453             //    貴州 = 52, 雲南 = 53, 西藏 = 54, 陝西 = 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  
454             //}  
455 
456             /// <summary>  
457             /// 驗證一代身份證號(15位數)  
458             /// [長度為15位的數字;匹配對應省份地址;生日能正確匹配]  
459             /// </summary>  
460             /// <param name="input">待驗證的字串</param>  
461             /// <returns>是否匹配</returns>  
462             public static bool IsIDCard15(string input)
463             {
464                 //驗證是否可以轉換為15位整數  
465                 long l = 0;
466                 if (!long.TryParse(input, out l) || l.ToString().Length != 15)
467                 {
468                     return false;
469                 }
470                 //驗證省份是否匹配  
471                 //1~6位為地區程式碼,其中1、2位數為各省級政府的程式碼,3、4位數為地、市級政府的程式碼,5、6位數為縣、區級政府程式碼。  
472                 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,";
473                 if (!address.Contains(input.Remove(2) + ","))
474                 {
475                     return false;
476                 }
477                 //驗證生日是否匹配  
478                 string birthdate = input.Substring(6, 6).Insert(4, "/").Insert(2, "/");
479                 DateTime dt;
480                 if (!DateTime.TryParse(birthdate, out dt))
481                 {
482                     return false;
483                 }
484                 return true;
485             }
486 
487             /// <summary>  
488             /// 驗證二代身份證號(18位數,GB11643-1999標準)  
489             /// [長度為18位;前17位為數字,最後一位(校驗碼)可以為大小寫x;匹配對應省份地址;生日能正確匹配;校驗碼能正確匹配]  
490             /// </summary>  
491             /// <param name="input">待驗證的字串</param>  
492             /// <returns>是否匹配</returns>  
493             public static bool IsIDCard18(string input)
494             {
495                 //驗證是否可以轉換為正確的整數  
496                 long l = 0;
497                 if (!long.TryParse(input.Remove(17), out l) || l.ToString().Length != 17 || !long.TryParse(input.Replace('x', '0').Replace('X', '0'), out l))
498                 {
499                     return false;
500                 }
501                 //驗證省份是否匹配  
502                 //1~6位為地區程式碼,其中1、2位數為各省級政府的程式碼,3、4位數為地、市級政府的程式碼,5、6位數為縣、區級政府程式碼。  
503                 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,";
504                 if (!address.Contains(input.Remove(2) + ","))
505                 {
506                     return false;
507                 }
508                 //驗證生日是否匹配  
509                 string birthdate = input.Substring(6, 8).Insert(6, "/").Insert(4, "/");
510                 DateTime dt;
511                 if (!DateTime.TryParse(birthdate, out dt))
512                 {
513                     return false;
514                 }
515                 //校驗碼驗證  
516                 //校驗碼:  
517                 //(1)十七位數字本體碼加權求和公式   
518                 //S = Sum(Ai * Wi), i = 0, ... , 16 ,先對前17位數字的權求和   
519                 //Ai:表示第i位置上的身份證號碼數字值   
520                 //Wi:表示第i位置上的加權因子   
521                 //Wi: 7 9 10 5 8 4 2 1 6 3 7 9 10 5 8 4 2   
522                 //(2)計算模   
523                 //Y = mod(S, 11)   
524                 //(3)通過模得到對應的校驗碼   
525                 //Y: 0 1 2 3 4 5 6 7 8 9 10   
526                 //校驗碼: 1 0 X 9 8 7 6 5 4 3 2   
527                 string[] arrVarifyCode = ("1,0,x,9,8,7,6,5,4,3,2").Split(',');
528                 string[] Wi = ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(',');
529                 char[] Ai = input.Remove(17).ToCharArray();
530                 int sum = 0;
531                 for (int i = 0; i < 17; i++)
532                 {
533                     sum += int.Parse(Wi[i]) * int.Parse(Ai[i].ToString());
534                 }
535                 int y = -1;
536                 Math.DivRem(sum, 11, out y);
537                 if (arrVarifyCode[y] != input.Substring(17, 1).ToLower())
538                 {
539                     return false;
540                 }
541                 return true;
542             }
543 
544             /// <summary>  
545             /// 驗證身份證號(不區分一二代身份證號)  
546             /// </summary>  
547             /// <param name="input">待驗證的字串</param>  
548             /// <returns>是否匹配</returns>  
549             public static bool IsIDCard(string input)
550             {
551                 if (input.Length == 18)
552                     return IsIDCard18(input);
553                 else if (input.Length == 15)
554                     return IsIDCard15(input);
555                 else
556                     return false;
557             }
558 
559             /// <summary>  
560             /// 驗證經度  
561             /// </summary>  
562             /// <param name="input">待驗證的字串</param>  
563             /// <returns>是否匹配</returns>  
564             public static bool IsLongitude(string input)
565             {
566                 ////範圍為-180~180,小數位數必須是1到5位  
567                 //string pattern = @"^[-\+]?((1[0-7]\d{1}|0?\d{1,2})\.\d{1,5}|180\.0{1,5})$";  
568                 //return IsMatch(input, pattern);  
569                 float lon;
570                 if (float.TryParse(input, out lon) && lon >= -180 && lon <= 180)
571                     return true;
572                 else
573                     return false;
574             }
575 
576             /// <summary>  
577             /// 驗證緯度  
578             /// </summary>  
579             /// <param name="input">待驗證的字串</param>  
580             /// <returns>是否匹配</returns>  
581             public static bool IsLatitude(string input)
582             {
583                 ////範圍為-90~90,小數位數必須是1到5位  
584                 //string pattern = @"^[-\+]?([0-8]?\d{1}\.\d{1,5}|90\.0{1,5})$";  
585                 //return IsMatch(input, pattern);  
586                 float lat;
587                 if (float.TryParse(input, out lat) && lat >= -90 && lat <= 90)
588                     return true;
589                 else
590                     return false;
591             }
592             #endregion
593         }