C# 正則表示式檢查輸入字元
阿新 • • 發佈:2018-11-07
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 }