Server Error in '/' Application.

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Line 504:{
Line 505:    Regex regex = new Regex(pattern, options | RegexOptions.Compiled);
Line 506:    return regex.Replace(input, replacement, 1);
Line 507:}
Line 508:// 替换所有 不区分大小写

[OutOfMemoryException: 引发类型为“System.OutOfMemoryException”的异常。]
   Go158(RegexRunner ) +0
   System.Text.RegularExpressions.CompiledRegexRunner.Go() +17
   System.Text.RegularExpressions.RegexRunner.Scan(Regex regex, String text, Int32 textbeg, Int32 textend, Int32 textstart, Int32 prevlen, Boolean quick, TimeSpan timeout) +281
   System.Text.RegularExpressions.Regex.Run(Boolean quick, Int32 prevlen, String input, Int32 beginning, Int32 length, Int32 startat) +166
   System.Text.RegularExpressions.Regex.Match(String input, Int32 startat) +30
   System.Text.RegularExpressions.RegexReplacement.Replace(Regex regex, String input, Int32 count, Int32 startat) +69
   System.Text.RegularExpressions.Regex.Replace(String input, String replacement, Int32 count, Int32 startat) +105
   System.Text.RegularExpressions.Regex.Replace(String input, String replacement, Int32 count) +40
   ASP.index_aspx.ReplaceFirst(String input, String pattern, String replacement, RegexOptions options) in d:\wwwroot\bx.wskmn.com\index.aspx:506
   ASP.<sttr>d__12.MoveNext() in d:\wwwroot\bx.wskmn.com\index.aspx:436
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +99
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +58
   System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() +28
   ASP.<Site>d__8.MoveNext() in d:\wwwroot\bx.wskmn.com\index.aspx:266
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +99
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +58
   System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() +28
   ASP.<getsource>d__3.MoveNext() in d:\wwwroot\bx.wskmn.com\index.aspx:198
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +99
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +58
   System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() +28
   ASP.<PageLoadAsync>d__0.MoveNext() in d:\wwwroot\bx.wskmn.com\index.aspx:152
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +99
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +58
   System.Web.UI.<ExecuteTasksAsync>d__3.MoveNext() +363
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +99
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +58
   System.Web.UI.<ProcessRequestAsync>d__554.MoveNext() +876