asp.net很有用的字符串操作类(转载)

代码

1 using System;
2   using System.Collections.Generic;
3 using System.Text;
4 using System.Collections;
5 using System.Text.RegularExpressions;
6 using System.Security.Cryptography;
7 /**/
8 /// /
9 /// 功能：字符文本操作类
10 ///
11 ///
12 /// /
13 namespace XHW
14 {
15 ///

16 /// 字符文本操作类
17 ///

18 public class StringHelper
19 {
20 public static bool IsContains( string [] strs, string value)
21 {
22 if (strs == null )
23 {
24 return false ;
25 }
26
27 foreach ( string str in strs)
28 {
29 if (str == value)
30 {
31 return true ;
32 }
33 }
34
35 return false ;
36 }
37
38
39
40 #region 字符串过滤
41
42 #region 对字符串进行HTML编码，针对(input,Textarea)输入时过滤脚本及HTML编码
43 /**/
44 ///

45 /// 对字符串进行HTML编码，针对(input,Textarea)输入时过滤脚本及HTML编码
46 ///

47 ///
48 ///
49 #endregion
50 public static string EncodeToHtml( string source)
51 {
52 source = source.Trim();
53 source = source.Replace( " ' " , " '' " );
54 source = source.Replace( " \\ " , " ＼ " );
55 source = System.Web.HttpContext.Current.Server.HtmlEncode(source);
56 source = source.Replace( " \r\n " , "
" );
57 source = source.Replace( " \n " , "
" );
58 return source;
59 }
60
61
62 #region [否决的]对字符串进行HTML编码，针对(input,Textarea)输入时过滤脚本及HTML编码
63 /**/
64 ///

65 /// [否决的]对字符串进行HTML编码，针对(input,Textarea)输入时过滤脚本及HTML编码 (不符合命名规范，请使用 EncodeToHtml 方法 )
66 ///

67 ///
68 ///
69 #endregion
70 public static string HtmlFilterForInput( string source)
71 {
72 return EncodeToHtml(source);
73 }
74
75
76 #region 还原HTML编码为字符串,还原HTML编码为字符串，用于返回到input或 Textarea 输入框
77 /**/
78 ///

79 /// 还原HTML编码为字符串，用于返回到input或 Textarea 输入框
80 ///

81 ///
82 ///
83 #endregion
84 public static string DecodeFormHtml( string source)
85 {
86 source = source.Trim();
87 source = source.Replace( "
" , " \r\n " );
88 source = source.Replace( "
" , " \n " );
89 source = System.Web.HttpContext.Current.Server.HtmlDecode(source);
90 return source;
91 }
92
93
94 #region [否决的]还原HTML编码为字符串,还原HTML编码为字符串，用于返回到input或 Textarea 输入框
95 /**/
96 ///

97 /// [否决的]还原HTML编码为字符串，用于返回到input或 Textarea 输入框 (不符合命名规范，请使用 DecodeFormHtml 方法 )
98 ///

99 ///
100 ///
101 #endregion
102 public static string DeHtmlFilterForInput( string source)
103 {
104 source = source.Trim();
105 source = source.Replace( "
" , " \r\n " );
106 source = source.Replace( "
" , " \n " );
107 source = System.Web.HttpContext.Current.Server.HtmlDecode(source);
108 return source;
109 }
110
111
112 #region 检验用户提交的URL参数字符里面是否有非法字符
113 /**/
114 ///

115 /// 检验用户提交的URL参数字符里面是否有非法字符,如果有则返回True.防止SQL注入.
116 ///

117 /// (string)
118 /// bool
119 public static bool VerifyString( string str)
120 {
121 string strTmp = str.ToUpper();
122 if (strTmp.IndexOf( " SELECT " ) >= 0 || strTmp.IndexOf( " AND " ) >= 0 || strTmp.IndexOf( " OR " ) >= 0 ||
123 strTmp.IndexOf( " EXEC " ) >= 0 || strTmp.IndexOf( " CHAR( " ) >= 0 )
124 {
125 return true ;
126 }
127
128 strTmp.Replace( " ' " , " ＇ " ).Replace( " ; " , " ； " );
129 return false ;
130 }
131
132 #endregion
133
134
135 #region 过滤 Sql 语句字符串中的注入脚本
136 /**/
137 ///

138 /// 过滤 Sql 语句字符串中的注入脚本
139 ///

140 /// 传入的字符串
141 ///
142 #endregion
143 public static string FilterSql( string source)
144 {
145 // 单引号替换成两个单引号
146 source = source.Replace( " ' " , " '' " );
147 source = source.Replace( " \ "" , " “ " );
148 source = source.Replace( " | " , " ｜ " );
149 // 半角封号替换为全角封号，防止多语句执行
150 source = source.Replace( " ; " , " ； " );
151
152 // 半角括号替换为全角括号
153 source = source.Replace( " ( " , " （ " );
154 source = source.Replace( " ) " , " ） " );
155
156 /**/
157 /// 要用正则表达式替换，防止字母大小写得情况 // //
158
159 // 去除执行存储过程的命令关键字
160 source = source.Replace( " Exec " , "" );
161 source = source.Replace( " Execute " , "" );
162
163 // 去除系统存储过程或扩展存储过程关键字
164 source = source.Replace( " xp_ " , " x p_ " );
165 source = source.Replace( " sp_ " , " s p_ " );
166
167 // 防止16进制注入
168 source = source.Replace( " 0x " , " 0 x " );
169
170 return source;
171 }
172
173
174 #region [否决的]过滤 Sql 语句字符串中的注入脚本
175 /**/
176 ///

177 /// [否决的]过滤 Sql 语句字符串中的注入脚本(请使用 FilterSql 方法 )
178 ///

179 /// 传入的字符串
180 ///
181 #endregion
182 public static string SqlFilter( string source)
183 {
184 return FilterSql(source);
185 }
186
187
188 #region 过滤字符串只剩数字
189 /**/
190 ///

191 /// 过滤字符串只剩数字
192 ///

193 /// 源字符串
194 #endregion
195 public static string FilterToNumber( string source)
196 {
197 source = Regex.Replace(source, " [^0-9]* " , "" , System.Text.RegularExpressions.RegexOptions.IgnoreCase);
198 return source;
199 }
200
201
202 #region [否决的]过滤字符串只剩数字
203 /**/
204 ///

205 /// [否决的]过滤字符串只剩数字(请使用 FilterToNumber 方法)
206 ///

207 /// 源字符串
208 #endregion
209 public static string NumberFilter( string source)
210 {
211 source = Regex.Replace(source, " [^0-9]* " , "" , System.Text.RegularExpressions.RegexOptions.IgnoreCase);
212 return source;
213 }
214
215
216 #region 去除数组内重复元素
217 /**/
218 ///

219 /// 去除数组内重复元素
220 ///

221 ///
222 ///
223 #endregion
224 public ArrayList FilterRepeatArrayItem(ArrayList arr)
225 {
226 // 建立新数组
227 ArrayList newArr = new ArrayList();
228
229 // 载入第一个原数组元素
230 if (arr.Count > 0 )
231 {
232 newArr.Add(arr[ 0 ]);
233 }
234
235 // 循环比较
236 for ( int i = 0 ; i < arr.Count; i ++ )
237 {
238 if ( ! newArr.Contains(arr[i]))
239 {
240 newArr.Add(arr[i]);
241 }
242 }
243 return newArr;
244 }
245
246
247 #region 在最后去除指定的字符
248 /**/
249 ///

250 /// 在最后去除指定的字符
251 ///

252 /// 参加处理的字符
253 /// 要去除的字符
254 /// 返回结果
255 #endregion
256 public static string CutLastString( string source, string cutString)
257 {
258 string result = "" ;
259 int tempIndex = 0 ;
260
261 tempIndex = source.LastIndexOf(cutString);
262 if (cutString.Length == (source.Length - tempIndex))
263 {
264 result = source.Substring( 0 , tempIndex);
265 }
266 else
267 {
268 result = source;
269 }
270
271 return result;
272 }
273
274
275 #region 利用正则表达式实现UBB代码转换为html代码
276 /**/
277 ///

278 /// 利用正则表达式实现UBB代码转换为html代码
279 ///

280 /// 待处理的文本内容
281 /// 返回正确的html代码
282 #endregion
283 public static string UBBCode( string source)
284 {
285 if (source == null || source.Length == 0 )
286 {
287 return "" ;
288 }
289
290 source = source.Replace( "   " , "  " );
291 // source=source.Replace("<","<");
292 // source=source.Replace(">",">");
293 source = source.Replace( " \n " , "
" );
294 source = Regex.Replace(source, @" \[url=(?[^\]]*)\](?[^\]]*)\[/url\] " , @" $2 " , RegexOptions.IgnoreCase);
295 source = Regex.Replace(source, @" \[url\](?[^\]]*)\[/url\] " , @" $1 " , RegexOptions.IgnoreCase);
296 source = Regex.Replace(source, @" \[email=(?[^\]]*)\](?[^\]]*)\[/email\] " , @" $2 " , RegexOptions.IgnoreCase);
297 source = Regex.Replace(source, @" \[email\](?[^\]]*)\[/email\] " , @" $1 " , RegexOptions.IgnoreCase);
298 source = Regex.Replace(source, @" \[flash](?[^\]]*)\[/flash] " , @" " , RegexOptions.IgnoreCase);
299 source = Regex.Replace(source, @" \ " , @" " , RegexOptions.IgnoreCase);
300 source = Regex.Replace(source, @" \[color=(?[^\]]*)\](?[^\]]*)\[/color\] " , @" $2 " , RegexOptions.IgnoreCase);
301 source = Regex.Replace(source, @" \[face=(?[^\]]*)\](?[^\]]*)\[/face\] " , @" $2 " , RegexOptions.IgnoreCase);
302 source = Regex.Replace(source, @" \[size=1\](?[^\]]*)\[/size\] " , @" $1 " , RegexOptions.IgnoreCase);
303 source = Regex.Replace(source, @" \[size=2\](?[^\]]*)\[/size\] " , @" $1 " , RegexOptions.IgnoreCase);
304 source = Regex.Replace(source, @" \[size=3\](?[^\]]*)\[/size\] " , @" $1 " , RegexOptions.IgnoreCase);
305 source = Regex.Replace(source, @" \[size=4\](?[^\]]*)\[/size\] " , @" $1 " , RegexOptions.IgnoreCase);
306 source = Regex.Replace(source, @" \[size=5\](?[^\]]*)\[/size\] " , @" $1 " , RegexOptions.IgnoreCase);
307 source = Regex.Replace(source, @" \[size=6\](?[^\]]*)\[/size\] " , @" $1 " , RegexOptions.IgnoreCase);
308 source = Regex.Replace(source, @" \[align=(?[^\]]*)\](?[^\]]*)\[/align\] " , @" $2 " , RegexOptions.IgnoreCase);
309 source = Regex.Replace(source, @" \[fly](?[^\]]*)\[/fly] " , @" $1 " , RegexOptions.IgnoreCase);
310 source = Regex.Replace(source, @" \[move](?[^\]]*)\[/move] " , @" $1 " , RegexOptions.IgnoreCase);
311 source = Regex.Replace(source, @" \[glow=(?[^\]]*),(?[^\]]*),(?[^\]]*)\](?[^\]]*)\[/glow\] " , @" $4 " , RegexOptions.IgnoreCase);
312 source = Regex.Replace(source, @" \[shadow=(?[^\]]*),(?[^\]]*),(?[^\]]*)\](?[^\]]*)\[/shadow\] " , @" $4 " , RegexOptions.IgnoreCase);
313 source = Regex.Replace(source, @" \[center\](?[^\]]*)\[/center\] " , @" $1 " , RegexOptions.IgnoreCase);
314 source = Regex.Replace(source, @" \[b\](?[^\]]*)\[/b\] " , @" $1 " , RegexOptions.IgnoreCase);
315 source = Regex.Replace(source, @" \[i\](?[^\]]*)\[/i\] " , @" $1 " , RegexOptions.IgnoreCase);
316 source = Regex.Replace(source, @" \[u\](?[^\]]*)\[/u\] " , @" $1 " , RegexOptions.IgnoreCase);
317 source = Regex.Replace(source, @" \[code\](?[^\]]*)\[/code\] " , @"

$1

" , RegexOptions.IgnoreCase);
318 source = Regex.Replace(source, @" \[list\](?[^\]]*)\[/list\] " , @"

$1

" , RegexOptions.IgnoreCase);
319 source = Regex.Replace(source, @" \[list=1\](?[^\]]*)\[/list\] " , @"

$1

" , RegexOptions.IgnoreCase);
320 source = Regex.Replace(source, @" \[list=a\](?[^\]]*)\[/list\] " , @"

$1

" , RegexOptions.IgnoreCase);
321 source = Regex.Replace(source, @" \[\*\](?[^\]]*)\[/\*\] " , @"

$1

" , RegexOptions.IgnoreCase);
322 source = Regex.Replace(source, @" \[quote](?.*)\[/quote] " , @" —— 以下是引用 ——

$1

" , RegexOptions.IgnoreCase);
323 source = Regex.Replace(source, @" \[QT=*([0-9]*),*([0-9]*)\](.[^\[]*)\[\/QT] " , @" " , RegexOptions.IgnoreCase);
324 source = Regex.Replace(source, @" \[MP=*([0-9]*),*([0-9]*)\](.[^\[]*)\[\/MP] " , @" " , RegexOptions.IgnoreCase);
325 source = Regex.Replace(source, @" \[RM=*([0-9]*),*([0-9]*)\](.[^\[]*)\[\/RM] " , @"
" , RegexOptions.IgnoreCase);
326 return (source);
327 }
328
329
330 #region 整理(过滤)以英文逗号分割的字符串
331 /**/
332 ///

333 /// 整理(过滤)以英文逗号分割的字符串
334 ///

335 /// 原字符串
336 /// 待清除的字符串，如空格
337 ///
338 #endregion
339 public static string FilterStringArray( string source, string str2)
340 {
341 source = source.Replace(str2, "" );
342 if (source != "" )
343 {
344 source = source.Replace( " ,, " , " , " );
345
346 if (source[ 0 ].ToString() == " , " )
347 {
348 source = source.Substring( 1 , source.Length - 1 );
349 }
350
351 if (source[source.Length - 1 ].ToString() == " , " )
352 {
353 source = source.Substring( 0 , source.Length - 1 );
354 }
355 }
356 return source;
357 }
358
359
360 #endregion
361
362 #region 字符串组合
363
364 #region 返回年月日时分秒组合的字符串
365 /**/
366 ///

367 /// 返回年月日时分秒组合的字符串,如：20050424143012
368 ///

369 /// 中间间隔的字符串，如2005\04\24\14\30\12。可以用来建立目录时使用
370 ///
371 #endregion
372 public static string GetTimeString()
373 {
374 // DateTime now = DateTime.Now;
375
376 // StringBuilder sb = new StringBuilder();
377 // sb.Append(now.Year.ToString("0000"));
378 // sb.Append(splitString);
379 // sb.Append(now.Month.ToString("00"));
380 // sb.Append(splitString);
381 // sb.Append(now.Day.ToString("00"));
382 // sb.Append(splitString);
383 // sb.Append(now.Hour.ToString("00"));
384 // sb.Append(splitString);
385 // sb.Append(now.Minute.ToString("00"));
386 // sb.Append(splitString);
387 // sb.Append(now.Second.ToString("00"));
388 string kk = Convert.ToString(DateTime.Now.ToString( " d " )).Trim().Replace( " - " , "" ).Replace( " / " , " 2 " ) + Convert.ToString(DateTime.Now.ToString( " T " )).Trim().Replace( " : " , "" ).Replace( " " , " 5 " );
389
390 return kk;
391 }
392
393
394 #region 返回年月日时分秒组合的字符串
395 /**/
396 ///

397 /// 返回年月日组合的字符串,如：20050424 (2005年4月24日)
398 ///

399 /// 中间间隔的字符串，如2005\04\24 可以用来建立目录时使用
400 ///
401 #endregion
402 public static string GetDateString()
403 {
404 // DateTime now = DateTime.Now;
405
406 // StringBuilder sb = new StringBuilder();
407 // sb.Append(now.Year.ToString("0000"));
408 // sb.Append(splitString);
409 // sb.Append(now.Month.ToString("00"));
410 // sb.Append(splitString);
411 // sb.Append(now.Day.ToString("00"));
412 string kk = Convert.ToString(DateTime.Now.ToString( " d " )).Trim().Replace( " - " , "" ).Replace( " / " , " 2 " ) + Convert.ToString(DateTime.Now.ToString( " T " )).Trim().Replace( " : " , "" ).Replace( " " , " 5 " );
413 return kk;
414 }
415
416
417 #endregion
418
419 #region 随机字符串,随机数
420
421 private static string _LowerChar = " abcdefghijklmnopqrstuvwxyz " ;
422 private static string _UpperChar = " ABCDEFGHIJKLMNOPQRSTUVWXYZ " ;
423 private static string _NumberChar = " 0123456789 " ;
424
425 #region 获取种子
426 /**/
427 ///

428 /// 使用RNGCryptoServiceProvider 做种，可以在一秒内产生的随机数重复率非常
429 /// 的低，对于以往使用时间做种的方法是个升级
430 ///

431 ///
432 #endregion
433 public static int GetNewSeed()
434 {
435 byte [] rndBytes = new byte [ 4 ];
436 RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
437 rng.GetBytes(rndBytes);
438 return BitConverter.ToInt32(rndBytes, 0 );
439 }
440
441
442 #region 取得指定范围内的数字随几数
443 /**/
444 ///

445 /// 取得指定范围内的随几数
446 ///

447 /// 下限数
448 /// 上限数
449 /// int
450 #endregion
451 public static int GetRandomNumber( int startNumber, int endNumber)
452 {
453 Random objRandom = new Random(GetNewSeed());
454 int r = objRandom.Next(startNumber, endNumber);
455 return r;
456 }
457
458
459 #region 获取指定 ASCII 范围内的随机字符串
460 /**/
461 ///

462 /// 获取指定 ASCII 范围内的随机字符串
463 ///

464 /// 结果字符串长度
465 /// 开始的ASCII值 如（33－125）中的 33
466 /// 结束的ASCII值 如（33－125）中的 125
467 ///
468 #endregion
469 public static string GetRandomStringByASCII( int resultLength, int startNumber, int endNumber)
470 {
471 System.Random objRandom = new System.Random(GetNewSeed());
472 string result = null ;
473 for ( int i = 0 ; i < resultLength; i ++ )
474 {
475 result += ( char )objRandom.Next(startNumber, endNumber);
476 }
477 return result;
478 }
479
480
481 #region 从指定字符串中抽取指定长度的随机字符串
482 /**/
483 ///

484 /// 从指定字符串中抽取指定长度的随机字符串
485 ///

486 /// 源字符串
487 /// 待获取随机字符串长度
488 ///
489 #endregion
490 private static string GetRandomString( string source, int resultLength)
491 {
492 System.Random objRandom = new System.Random(GetNewSeed());
493 string result = null ;
494 for ( int i = 0 ; i < resultLength; i ++ )
495 {
496 result += source.Substring(objRandom.Next( 0 , source.Length - 1 ), 1 );
497 }
498 return result;
499 }
500
501
502 #region 获取指定长度随机的数字字符串
503 /**/
504 ///

505 /// 获取指定长度随机的数字字符串
506 ///

507 /// 待获取随机字符串长度
508 ///
509 #endregion
510 public static string GetRandomNumberString( int resultLength)
511 {
512 return GetRandomString(_NumberChar, resultLength);
513 }
514
515
516 #region 获取指定长度随机的字母字符串（包含大小写字母）
517 /**/
518 ///

519 /// 获取指定长度随机的字母字符串（包含大小写字母）
520 ///

521 /// 待获取随机字符串长度
522 ///
523 #endregion
524 public static string GetRandomLetterString( int resultLength)
525 {
526 return GetRandomString(_LowerChar + _UpperChar, resultLength);
527 }
528
529
530 #region 获取指定长度随机的字母＋数字混和字符串（包含大小写字母）
531 /**/
532 ///

533 /// 获取指定长度随机的字母＋数字混和字符串（包含大小写字母）
534 ///

535 /// 待获取随机字符串长度
536 ///
537 #endregion
538 public static string GetRandomMixString( int resultLength)
539 {
540 return GetRandomString(_LowerChar + _UpperChar + _NumberChar, resultLength);
541 }
542
543 #endregion
544
545 #region 字符串验证
546
547 #region 判断字符串是否为整型
548 /**/
549 ///

550 /// 判断字符串是否为整型
551 ///

552 ///
553 ///
554 #endregion
555 public static bool IsInteger( string source)
556 {
557 if (source == null || source == "" )
558 {
559 return false ;
560 }
561
562 if (Regex.IsMatch(source, " ^((\\+)\\d)?\\d*$ " ))
563 {
564 return true ;
565 }
566 else
567 {
568 return false ;
569 }
570 }
571
572
573 #region Email 格式是否合法
574 /**/
575 ///

576 /// Email 格式是否合法
577 ///

578 ///
579 #endregion
580 public static bool IsEmail( string strEmail)
581 {
582 return Regex.IsMatch(strEmail, @" ^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$ " );
583 }
584
585
586 #region 判断是否IP
587 /**/
588 ///

589 /// 判断是否IP
590 ///

591 ///
592 ///
593 #endregion
594 public static bool IsIP( string source)
595 {
596 return Regex.IsMatch(source, @" ^(((25[0-5]|2[0-4][0-9]|19[0-1]|19[3-9]|18[0-9]|17[0-1]|17[3-9]|1[0-6][0-9]|1[1-9]|[2-9][0-9]|[0-9])\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9]))|(192\.(25[0-5]|2[0-4][0-9]|16[0-7]|169|1[0-5][0-9]|1[7-9][0-9]|[1-9][0-9]|[0-9]))|(172\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|1[0-5]|3[2-9]|[4-9][0-9]|[0-9])))\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])$ " );
597 }
598
599
600 #region 检查字符串是否为A-Z、0-9及下划线以内的字符
601
602 /**/
603 ///

604 /// 检查字符串是否为A-Z、0-9及下划线以内的字符
605 ///

606 /// 被检查的字符串
607 /// 是否有特殊字符
608 #endregion
609 public static bool IsLetterOrNumber( string str)
610 {
611 bool b = System.Text.RegularExpressions.Regex.IsMatch(str, " [a-zA-Z0-9_] " );
612 return b;
613 }
614
615
616 #region 验输入字符串是否含有“/\<>:.?*|$]”特殊字符
617 /**/
618 ///

619 /// 验输入字符串是否含有“/\:.?*|$]”特殊字符
620 ///

621 ///
622 ///
623 #endregion
624 public static bool IsSpecialChar( string source)
625 {
626 Regex r = new Regex( @" [/\<>:.?*|$] " );
627 return r.IsMatch(source);
628 }
629
630
631 #region 是否全为中文/日文/韩文字符
632 /**/
633 ///

634 /// 是否全为中文/日文/韩文字符
635 ///

636 /// 源字符串
637 ///
638 #endregion
639 public static bool IsChineseChar( string source)
640 {
641 // 中文/日文/韩文: [\u4E00-\u9FA5]
642 // 英文:[a-zA-Z]
643 return Regex.IsMatch(source, @" ^[\u4E00-\u9FA5]+$ " );
644 }
645
646
647 #region 是否包含双字节字符(允许有单字节字符)
648 /**/
649 ///

650 /// 是否包含双字节字符(允许有单字节字符)
651 ///

652 ///
653 ///
654 #endregion
655 public static bool IsDoubleChar( string source)
656 {
657 return Regex.IsMatch(source, @" [^\x00-\xff] " );
658 }
659
660
661 #region 是否为日期型字符串
662 /**/
663 ///

664 /// 是否为日期型字符串
665 ///

666 /// 日期字符串(2005-6-30)
667 ///
668 #endregion
669 public static bool IsDate( string source)
670 {
671 return Regex.IsMatch(source, @" ^((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-))$ " );
672 }
673
674
675 #region 是否为时间型字符串
676 /**/
677 ///

678 /// 是否为时间型字符串
679 ///

680 /// 时间字符串(15:00:00)
681 ///
682 #endregion
683 public static bool IsTime( string source)
684 {
685 return Regex.IsMatch(source, @" ^((20|21|22|23|[0-1]?\d):[0-5]?\d:[0-5]?\d)$ " );
686 }
687
688
689 #region 是否为日期+时间型字符串
690 /**/
691 ///

692 /// 是否为日期+时间型字符串
693 ///

694 ///
695 ///
696 #endregion
697 public static bool IsDateTime( string source)
698 {
699 return Regex.IsMatch(source, @" ^((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-)) ((20|21|22|23|[0-1]?\d):[0-5]?\d:[0-5]?\d)$ " );
700 }
701
702
703 #region 是否为钱币型数据
704 /**/
705 ///

706 /// 是否为钱币型数据
707 ///

708 ///
709 ///
710 #endregion
711 public static bool IsMoney( string source)
712 {
713 return false ;
714 }
715
716 #endregion
717
718 #region 字符串截取
719
720 #region 获取字符串的实际长度(按单字节)
721 /**/
722 ///

723 /// 获取字符串的实际长度(按单字节)
724 ///

725 ///
726 ///
727 #endregion
728 public static int GetRealLength( string source)
729 {
730 return System.Text.Encoding.Default.GetByteCount(source);
731 }
732
733
734 #region 取得固定长度的字符串(按单字节截取)
735 /**/
736 ///

737 /// 取得固定长度的字符串(按单字节截取)。
738 ///

739 /// 源字符串
740 /// 截取长度
741 ///
742 #endregion
743 public static string SubString( string source, int resultLength)
744 {
745
746 // 判断字符串长度是否大于截断长度
747 if (System.Text.Encoding.Default.GetByteCount(source) > resultLength)
748 {
749 // 判断字串是否为空
750 if (source == null )
751 {
752 return "" ;
753 }
754
755 // 初始化
756 int i = 0 , j = 0 ;
757
758 // 为汉字或全脚符号长度加2否则加1
759 foreach ( char newChar in source)
760 {
761 if (( int )newChar > 127 )
762 {
763 i += 2 ;
764 }
765 else
766 {
767 i ++ ;
768 }
769 if (i > resultLength)
770 {
771 source = source.Substring( 0 , j);
772 break ;
773 }
774 j ++ ;
775 }
776 }
777 return source;
778 }
779
780
781 #region 按长度分割字符串
782 /**/
783 ///

784 /// 按长度分割字符串，如短信
785 ///

786 ///
787 ///
788 ///
789 #endregion
790 private ArrayList SplitStringByLength( string str, int len)
791 {
792 ArrayList arrBlock = new ArrayList();
793 int intBlockCount = str.Length / len;
794 if (str.Length % len != 0 )
795 {
796 for ( int i = 0 ; i <= intBlockCount; i ++ )
797 {
798 if ((str.Length - i * len) > len)
799 arrBlock.Add(str.Substring(i * len, len));
800 else
801 arrBlock.Add(str.Substring(i * len, (str.Length % len)));
802 }
803 }
804 else
805 {
806 for ( int i = 0 ; i < intBlockCount; i ++ )
807 {
808 arrBlock.Add(str.Substring(i * len, len));
809 }
810 }
811 return arrBlock;
812 }
813
814
815 #endregion
816
817 #region 字符串比较
818
819 /**/
820 ///

821 /// 获得某个字符串在另个字符串中出现的次数
822 ///

823 /// 要处理的字符
824 /// 符号
825 /// 返回值
826 public static int GetStringIncludeCount( string strOriginal, string strSymbol)
827 {
828
829 int count = 0 ;
830 count = strOriginal.Length - strOriginal.Replace(strSymbol, String.Empty).Length;
831 return count;
832 }
833
834 /**/
835 ///

836 /// 获得某个字符串在另个字符串第一次出现时前面所有字符
837 ///

838 /// 要处理的字符
839 /// 符号
840 /// 返回值
841 public static string GetFirstString( string strOriginal, string strSymbol)
842 {
843 int strPlace = strOriginal.IndexOf(strSymbol);
844 if (strPlace != - 1 )
845 {
846 strOriginal = strOriginal.Substring( 0 , strPlace);
847 }
848 return strOriginal;
849 }
850
851 /**/
852 ///

853 /// 获得某个字符串在另个字符串最后一次出现时后面所有字符
854 ///

855 /// 要处理的字符
856 /// 符号
857 /// 返回值
858 public static string GetLastString( string strOriginal, string strSymbol)
859 {
860 int strPlace = strOriginal.LastIndexOf(strSymbol) + strSymbol.Length;
861 strOriginal = strOriginal.Substring(strPlace);
862 return strOriginal;
863 }
864
865 /**/
866 ///

867 /// 获得两个字符之间第一次出现时前面所有字符
868 ///

869 /// 要处理的字符
870 /// 最前哪个字符
871 /// 最后哪个字符
872 /// 返回值
873 public static string GetTwoMiddleFirstStr( string strOriginal, string strFirst, string strLast)
874 {
875 strOriginal = GetFirstString(strOriginal, strLast);
876 strOriginal = GetLastString(strOriginal, strFirst);
877 return strOriginal;
878 }
879
880 /**/
881 ///

882 /// 获得两个字符之间最后一次出现时的所有字符
883 ///

884 /// 要处理的字符
885 /// 最前哪个字符
886 /// 最后哪个字符
887 /// 返回值
888 public static string GetTwoMiddleLastStr( string strOriginal, string strFirst, string strLast)
889 {
890 strOriginal = GetLastString(strOriginal, strFirst);
891 strOriginal = GetFirstString(strOriginal, strLast);
892 return strOriginal;
893 }
894
895 /**/
896 ///

897 /// 发帖过滤词（用“|”号分隔）Application["app_state_FilterWord"]
898 ///

899 /// 字符串
900 /// 过滤词（用“|”号分隔）
901 public static bool CheckBadWords( string str, string chkword)
902 {
903 if (chkword != null && chkword != "" )
904 {
905 string filter = chkword;
906 string chk1 = "" ;
907 string [] aryfilter = filter.Split( ' | ' );
908 for ( int i = 0 ; i < aryfilter.Length; i ++ )
909 {
910 chk1 = aryfilter[i].ToString();
911 if (str.IndexOf(chk1) >= 0 )
912 return true ;
913 }
914 }
915 return false ;
916 }
917
918 /**/
919 ///

920 /// 发帖过滤字(需审核)（不同组间用“§”号分隔，同组内用“,”分隔）Application["app_state_Check_FilterWord"]
921 ///

922 /// 字符串
923 /// 过滤字(需审核)（不同组间用“§”号分隔，同组内用“,”分隔）
924 public static bool CheckilterStr( string str, string chkword)
925 {
926
927 if (chkword != null && chkword != "" )
928 {
929 string filter = chkword;
930 string [] aryfilter = filter.Split( ' § ' );
931 string [] aryfilter_lei;
932 int lei_for = 0 , j;
933
934 for ( int i = 0 ; i < aryfilter.Length; i ++ )
935 {
936 lei_for = 0 ;
937 aryfilter_lei = aryfilter[i].Split( ' , ' );
938 for (j = 0 ; j < aryfilter_lei.Length; j ++ )
939 {
940 if (str.IndexOf(aryfilter_lei[j].ToString()) >= 0 )
941 lei_for += 1 ;
942 }
943 if (lei_for == aryfilter_lei.Length)
944 return true ;
945 }
946 }
947 return false ;
948 }
949
950
951 #endregion
952
953 #region 字符集转换
954
955 #region 将 GB2312 值转换为 UTF8 字符串(如：测试 -> 娴嬭瘯 )
956 /**/
957 ///

958 /// 将 GB2312 值转换为 UTF8 字符串(如：测试 -> 娴嬭瘯 )
959 ///

960 ///
961 ///
962 #endregion
963 public static string ConvertGBToUTF8( string source)
964 {
965 /**/
966 /*
967 byte[] bytes;
968 bytes = System.Text.Encoding.Default.GetBytes(source);
969 System.Text.Decoder gbDecoder = System.Text.Encoding.GetEncoding("gb2312").GetDecoder();
970 int charCount = gbDecoder.GetCharCount(bytes,0 , bytes.Length);
971 Char[] chars = new Char[charCount];
972 int charsDecodedCount = gbDecoder.GetChars(bytes,0,bytes.Length,chars,0);
973 return new string(chars);
974 */
975
976 return Encoding.GetEncoding( " GB2312 " ).GetString(Encoding.UTF8.GetBytes(source));
977 }
978
979
980 #region 将 UTF8 值转换为 GB2312 字符串 (如：娴嬭瘯 -> 测试)
981 /**/
982 ///

983 /// 将 UTF8 值转换为 GB2312 字符串 (如：娴嬭瘯 -> 测试)
984 ///

985 ///
986 ///
987 #endregion
988 public static string ConvertUTF8ToGB( string source)
989 {
990 /**/
991 /*
992 byte[] bytes;
993 //模拟编码
994 System.Text.UTF8Encoding utf8 = new System.Text.UTF8Encoding();
995 bytes = utf8.GetBytes(source);
996
997 //开始解码
998 System.Text.Decoder utf8Decoder = System.Text.Encoding.UTF8.GetDecoder();
999
1000 int charCount = utf8Decoder.GetCharCount(bytes, 0, bytes.Length);
1001 Char[] chars = new Char[charCount];
1002 int charsDecodedCount = utf8Decoder.GetChars(bytes, 0, bytes.Length, chars, 0);
1003
1004 return new string(chars);
1005 */
1006
1007 return Encoding.UTF8.GetString(Encoding.GetEncoding( " GB2312 " ).GetBytes(source));
1008 }
1009
1010
1011 #region 由16进制转为汉字字符串（如：B2E2 -> 测 ）
1012 /**/
1013 ///

1014 /// 由16进制转为汉字字符串（如：B2E2 -> 测 ）
1015 ///

1016 ///
1017 ///
1018 #endregion
1019 public static string ConvertHexToString( string source)
1020 {
1021 byte [] oribyte = new byte [source.Length / 2 ];
1022 for ( int i = 0 ; i < source.Length; i += 2 )
1023 {
1024 string str = Convert.ToInt32(source.Substring(i, 2 ), 16 ).ToString();
1025 oribyte[i / 2 ] = Convert.ToByte(source.Substring(i, 2 ), 16 );
1026 }
1027 return System.Text.Encoding.Default.GetString(oribyte);
1028 }
1029
1030
1031 #region 字符串转为16进制字符串（如：测 -> B2E2 ）
1032 /**/
1033 ///

1034 /// 字符串转为16进制字符串（如：测 -> B2E2 ）
1035 ///

1036 ///
1037 ///
1038 #endregion
1039 public static string ConvertToHex( string Word)
1040 {
1041 int i = Word.Length;
1042 string temp;
1043 string end = "" ;
1044 byte [] array = new byte [ 2 ];
1045 int i1, i2;
1046 for ( int j = 0 ; j < i; j ++ )
1047 {
1048 temp = Word.Substring(j, 1 );
1049 array = System.Text.Encoding.Default.GetBytes(temp);
1050 if (array.Length.ToString() == " 1 " )
1051 {
1052 i1 = Convert.ToInt32(array[ 0 ]);
1053 end += Convert.ToString(i1, 16 );
1054 }
1055 else
1056 {
1057 i1 = Convert.ToInt32(array[ 0 ]);
1058 i2 = Convert.ToInt32(array[ 1 ]);
1059 end += Convert.ToString(i1, 16 );
1060 end += Convert.ToString(i2, 16 );
1061 }
1062 }
1063 return end.ToUpper();
1064 }
1065
1066
1067 #region 字符串转为unicode字符串（如：测试 -> 测试）
1068 /**/
1069 ///

1070 /// 字符串转为unicode字符串（如：测试 -> 测试）
1071 ///

1072 ///
1073 ///
1074 #endregion
1075 public static string ConvertToUnicode( string source)
1076 {
1077 StringBuilder sa = new StringBuilder(); // Unicode
1078 string s1;
1079 string s2;
1080 for ( int i = 0 ; i < source.Length; i ++ )
1081 {
1082 byte [] bt = System.Text.Encoding.Unicode.GetBytes(source.Substring(i, 1 ));
1083 if (bt.Length > 1 ) // 判断是否汉字
1084 {
1085 s1 = Convert.ToString(( short )(bt[ 1 ] - ' \0 ' ), 16 ); // 转化为16进制字符串
1086 s2 = Convert.ToString(( short )(bt[ 0 ] - ' \0 ' ), 16 ); // 转化为16进制字符串
1087 s1 = (s1.Length == 1 ? " 0 " : "" ) + s1; // 不足位补0
1088 s2 = (s2.Length == 1 ? " 0 " : "" ) + s2; // 不足位补0
1089 sa.Append( " &# " + Convert.ToInt32(s1 + s2, 16 ) + " ; " );
1090 }
1091 }
1092
1093 return sa.ToString();
1094 }
1095
1096
1097 #region 字符串转为UTF8字符串（如：测试 -> \u6d4b\u8bd5）
1098 /**/
1099 ///

1100 /// 字符串转为UTF8字符串（如：测试 -> \u6d4b\u8bd5）
1101 ///

1102 ///
1103 ///
1104 #endregion
1105 public static string ConvertToUTF8( string source)
1106 {
1107 StringBuilder sb = new StringBuilder(); // UTF8
1108 string s1;
1109 string s2;
1110 for ( int i = 0 ; i < source.Length; i ++ )
1111 {
1112 byte [] bt = System.Text.Encoding.Unicode.GetBytes(source.Substring(i, 1 ));
1113 if (bt.Length > 1 ) // 判断是否汉字
1114 {
1115 s1 = Convert.ToString(( short )(bt[ 1 ] - ' \0 ' ), 16 ); // 转化为16进制字符串
1116 s2 = Convert.ToString(( short )(bt[ 0 ] - ' \0 ' ), 16 ); // 转化为16进制字符串
1117 s1 = (s1.Length == 1 ? " 0 " : "" ) + s1; // 不足位补0
1118 s2 = (s2.Length == 1 ? " 0 " : "" ) + s2; // 不足位补0
1119 sb.Append( " \\u " + s1 + s2);
1120 }
1121 }
1122
1123 return sb.ToString();
1124 }
1125
1126
1127 #region 转化为ASC码方法
1128 // 转化为ASC码方法
1129
1130 public string ConvertToAsc( string txt)
1131 {
1132 string newtxt = "" ;
1133 foreach ( char c in txt)
1134 {
1135
1136 newtxt += Convert.ToString(( int )c);
1137 }
1138 return newtxt;
1139
1140 }
1141 #endregion
1142
1143 #region BASE64
1144
1145 /**/
1146 ///

1147 /// 将字符串使用base64算法加密
1148 ///

1149 /// 待加密的字符串
1150 /// 加码后的文本字符串
1151 public static string Base64_Encrypt( string source)
1152 {
1153 return Convert.ToBase64String(System.Text.Encoding.Default.GetBytes(source));
1154 }
1155
1156 /**/
1157 ///

1158 /// 从Base64编码的字符串中还原字符串，支持中文
1159 ///

1160 /// Base64加密后的字符串
1161 /// 还原后的文本字符串
1162 public static string Base64_Decrypt( string source)
1163 {
1164 return System.Text.Encoding.Default.GetString(Convert.FromBase64String(source));
1165 }
1166 #endregion
1167
1168 #endregion
1169
1170 #region 字符串格式化
1171
1172 #region 将字符串反转
1173 /**/
1174 ///

1175 /// 将字符串反转
1176 ///

1177 ///
1178 ///
1179 #endregion
1180 public static string FormatReverse( string source)
1181 {
1182 char [] ca = source.ToCharArray();
1183 Array.Reverse(ca);
1184 source = new String(ca);
1185 return source;
1186 }
1187
1188
1189 /**/
1190 ///

1191 /// 格式化为小数点两位的字符串(四舍五入)
1192 ///

1193 ///
1194 ///
1195 public static string FormatFloat2( double source)
1196 {
1197 // double tmp=1223333.24215265652;
1198 return source.ToString( " ##,###.000 " );
1199 }
1200
1201
1202 /**/
1203 ///

1204 /// 将数字字符串转成货币格式
1205 ///

1206 ///
1207 public static string GetMoneyFormat()
1208 {
1209 /**/
1210 /*
1211 string.Format("${0:###,###,###.##}元",decimalVar);
1212 --------------------------------------------------------------------------------
1213 找到system.string的format方法
1214 string str="99988"
1215 str=format(str,"##,####.00")
1216 str value is:99,988.00
1217 试一下行不行
1218 --------------------------------------------------------------------------------
1219 string strMoney="544.54";
1220 decimal decMoney=System.Convert.ToDecimal(strMoney);
1221 string money=decMoney.ToString("c");
1222
1223 如果要转换成不同地区的符号，可以用：
1224 CultureInfo MyCulture = new CultureInfo("zh-CN");
1225 String MyString = MyInt.ToString("C", MyCulture);
1226
1227 注意:这里OrderTotal的格式只能是Decimal.
1228
1229 */
1230 return "" ;
1231 }
1232
1233
1234 /**/
1235 ///

1236 /// 格式化字符串 字符串1234567,想变成1,234,567
1237 ///

1238 ///
1239 ///
1240 public static string GetO1( string source)
1241 {
1242 // return source.ToString("N");
1243 // return source.ToString("###,###");
1244 return "" ;
1245 }
1246
1247
1248 /**/
1249 ///

1250 /// 十进制数字1转换为字符串0a，在前面补零
1251 ///

1252 ///
1253 ///
1254 public static string OctToHex( int source)
1255 {
1256 return source.ToString( " X2 " );
1257 }
1258
1259
1260 /**/
1261 ///

1262 /// 将一个十六进制表示的字符串转成int型？如"0A" = 10
1263 ///

1264 ///
1265 ///
1266 public static string HexToOct( string source)
1267 {
1268 return Convert.ToInt16(source, 16 ).ToString();
1269 }
1270
1271
1272 #endregion
1273
1274 #region 身份证验证
1275
1276 #region 从18位身份证获取用户所在省份、生日、性别信息
1277 /**/
1278 ///

1279 /// 从18位身份证获取用户所在省份、生日、性别信息
1280 ///

1281 /// 身份证字符串
1282 /// 如：福建,1978-06-30,男
1283 #endregion
1284 public static string GetCidInfo( string cid)
1285 {
1286 string [] aCity = new string [] { null , null , null , null , null , null , null , null , null , null , null , " 北京 " , " 天津 " , " 河北 " , " 山西 " , " 内蒙古 " , null , null , null , null , null , " 辽宁 " , " 吉林 " , " 黑龙江 " , null , null , null , null , null , null , null , " 上海 " , " 江苏 " , " 浙江 " , " 安微 " , " 福建 " , " 江西 " , " 山东 " , null , null , null , " 河南 " , " 湖北 " , " 湖南 " , " 广东 " , " 广西 " , " 海南 " , null , null , null , " 重庆 " , " 四川 " , " 贵州 " , " 云南 " , " 西藏 " , null , null , null , null , null , null , " 陕西 " , " 甘肃 " , " 青海 " , " 宁夏 " , " *** " , null , null , null , null , null , " 台湾 " , null , null , null , null , null , null , null , null , null , " 香港 " , " 澳门 " , null , null , null , null , null , null , null , null , " 国外 " };
1287 double iSum = 0 ;
1288 System.Text.RegularExpressions.Regex rg = new System.Text.RegularExpressions.Regex( @" ^\d{17}(\d|x)$ " );
1289 System.Text.RegularExpressions.Match mc = rg.Match(cid);
1290 if ( ! mc.Success)
1291 {
1292 return "" ;
1293 }
1294 cid = cid.ToLower();
1295 cid = cid.Replace( " x " , " a " );
1296 if (aCity[ int .Parse(cid.Substring( 0 , 2 ))] == null )
1297 {
1298 return " 非法地区 " ;
1299 }
1300 try
1301 {
1302 DateTime.Parse(cid.Substring( 6 , 4 ) + " - " + cid.Substring( 10 , 2 ) + " - " + cid.Substring( 12 , 2 ));
1303 }
1304 catch
1305 {
1306 return " 非法生日 " ;
1307 }
1308 for ( int i = 17 ; i >= 0 ; i -- )
1309 {
1310 iSum += (System.Math.Pow( 2 , i) % 11 ) * int .Parse(cid[ 17 - i].ToString(), System.Globalization.NumberStyles.HexNumber);
1311
1312 }
1313 if (iSum % 11 != 1 )
1314 return ( " 非法证号 " );
1315
1316 return (aCity[ int .Parse(cid.Substring( 0 , 2 ))] + " , " + cid.Substring( 6 , 4 ) + " - " + cid.Substring( 10 , 2 ) + " - " + cid.Substring( 12 , 2 ) + " , " + ( int .Parse(cid.Substring( 16 , 1 )) % 2 == 1 ? " 男 " : " 女 " ));
1317
1318 }
1319
1320
1321 #region 十五位的身份证号转为十八位的
1322 /**/
1323 ///

1324 /// 十五位的身份证号转为十八位的
1325 ///

1326 /// 十五位的身份证号
1327 ///
1328 #endregion
1329 public static string Cid15To18( string source)
1330 {
1331 string [] arrInt = new string [ 17 ] { " 7 " , " 9 " , " 10 " , " 5 " , " 8 " , " 4 " , " 2 " , " 1 " , " 6 " , " 3 " , " 7 " , " 9 " , " 10 " , " 5 " , " 8 " , " 4 " , " 2 " };
1332 string [] arrCh = new string [ 11 ] { " 1 " , " 0 " , " X " , " 9 " , " 8 " , " 7 " , " 6 " , " 5 " , " 4 " , " 3 " , " 2 " };
1333
1334 int nTemp = 0 , i;
1335
1336 if (source.Length == 15 )
1337 {
1338 source = source.Substring( 0 , 6 ) + " 19 " + source.Substring( 6 , source.Length - 6 );
1339 for (i = 0 ; i < source.Length; i ++ )
1340 {
1341 nTemp += int .Parse(source.Substring(i, 1 )) * int .Parse(arrInt[i]);
1342 }
1343 source += arrCh[nTemp % 11 ];
1344
1345 return source;
1346 }
1347 else
1348 {
1349 return null ;
1350 }
1351
1352 }
1353 #endregion
1354
1355 #region 随机数
1356 public static string GetRandNum( int randNumLength)
1357 {
1358 System.Random randNum = new System.Random( unchecked (( int )DateTime.Now.Ticks));
1359 StringBuilder sb = new StringBuilder(randNumLength);
1360 for ( int i = 0 ; i < randNumLength; i ++ )
1361 {
1362 sb.Append(randNum.Next( 0 , 9 ));
1363 }
1364 return sb.ToString();
1365 }
1366
1367 #endregion
1368
1369 #region 过滤HTML代码的函数
1370 ///

1371 /// 过滤HTML代码的函数
1372 ///

1373 ///
1374 ///
1375 public string HtmlStr( string html)
1376 {
1377 System.Text.RegularExpressions.Regex regex1 = new System.Text.RegularExpressions.Regex( @" " , System.Text.RegularExpressions.RegexOptions.IgnoreCase);
1378 System.Text.RegularExpressions.Regex regex2 = new System.Text.RegularExpressions.Regex( @" href *= *[\s\S]*script *: " , System.Text.RegularExpressions.RegexOptions.IgnoreCase);
1379 System.Text.RegularExpressions.Regex regex3 = new System.Text.RegularExpressions.Regex( @" no[\s\S]*= " , System.Text.RegularExpressions.RegexOptions.IgnoreCase);
1380 System.Text.RegularExpressions.Regex regex4 = new System.Text.RegularExpressions.Regex( @" " , System.Text.RegularExpressions.RegexOptions.IgnoreCase);
1381 System.Text.RegularExpressions.Regex regex5 = new System.Text.RegularExpressions.Regex( @" " , System.Text.RegularExpressions.RegexOptions.IgnoreCase);
1382 System.Text.RegularExpressions.Regex regex6 = new System.Text.RegularExpressions.Regex( @" \]+\> " , System.Text.RegularExpressions.RegexOptions.IgnoreCase);
1383 System.Text.RegularExpressions.Regex regex7 = new System.Text.RegularExpressions.Regex( @"

" , System.Text.RegularExpressions.RegexOptions.IgnoreCase);
1384 System.Text.RegularExpressions.Regex regex8 = new System.Text.RegularExpressions.Regex( @"

" , System.Text.RegularExpressions.RegexOptions.IgnoreCase);
1385 System.Text.RegularExpressions.Regex regex9 = new System.Text.RegularExpressions.Regex( @" <[^>]*> " , System.Text.RegularExpressions.RegexOptions.IgnoreCase);
1386 html = regex1.Replace(html, "" ); // 过滤标记
1387 html = regex2.Replace(html, "" ); // 过滤href=javascript: () 属性
1388
1389
1390 html = regex3.Replace(html, " _disibledevent= " ); // 过滤其它控件的on...事件
1391 html = regex4.Replace(html, "" ); // 过滤iframe
1392 html = regex5.Replace(html, "" ); // 过滤frameset
1393 html = regex6.Replace(html, "" ); // 过滤frameset
1394 html = regex7.Replace(html, "" ); // 过滤frameset
1395 html = regex8.Replace(html, "" ); // 过滤frameset
1396 html = regex9.Replace(html, "" );
1397 html = html.Replace( " " , "" );
1398
1399
1400 html = html.Replace( " " , "" );
1401 html = html.Replace( " " , "" );
1402 return html;
1403 }
1404 #endregion
1405
1406
1407 }
1408 }
1409

 

转载于:https://www.cnblogs.com/xuwb/archive/2010/06/26/1765652.html