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Asked: 2026-05-23T18:55:18+00:00

I have an issue with the following text display: <asp:RegularExpressionValidator ID=Password_RegularExpValidate runat=server Text=TEST! Display=Dynamic

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I have an issue with the following text display:

<asp:RegularExpressionValidator ID="Password_RegularExpValidate" runat="server" 
     Text="TEST!" 
     Display="Dynamic" 
     BorderStyle="None" 
     ControlToValidate="txtNewPass" 
     ValidationExpression="(?=^.{8,255}$)((?=.*\d)(?=.*[A-Z])(?=.*[a-z])|(?=.*\d)(?=.*[^A-Za-z0-9])(?=.*[a-z])|(?=.*[^A-Za-z0-9])(?=.*[A-Z])(?=.*[a-z])|(?=.*\d)(?=.*[A-Z])(?=.*[^A-Za-z0-9]))^.*" 
     meta:resourcekey="Password_RegularExpValidateResource1" /></td>

The pattern by itself is:

(?=^.{8,255}$)((?=.*\d)(?=.*[A-Z])(?=.*[a-z])|(?=.*\d)(?=.*[^A-Za-z0-9])(?=.*[a-z])|(?=.*[^A-Za-z0-9])(?=.*[A-Z])(?=.*[a-z])|(?=.*\d)(?=.*[A-Z])(?=.*[^A-Za-z0-9]))^.*

The text initially had some stuff in it as the ValidationExpression was different. I’ve changed the regex expression and that works, but when I write something in Text= it doesn’t update on the page. I’ve restarted IIS, cleard the IE chache… everything I could think of. The old text keeps appearings (ie. “TEST!” doesn’t show up when the validation fails as it should).

Any help would be appreciated.

Edit:

The code for txtnewpass:

<asp:TextBox ID="txtNewPass" runat="server" 
     TextMode="Password" 
     MaxLength="256" 
     meta:resourcekey="txtNewPassResource1"></asp:TextBox>

Also, it’s worth noting that I can remove an entire table from a page that it disappears when I reload the page. But when I change text values from controls or anything that runat=”server” and the page doesn’t seem to update with the text….

And the code behind doesn’t edit the field that displays, the validator validates the text in the textbox and uses that value later.

Edit 2: Same thing happening with – 

<asp:Label ID="Label1" runat="server" 
     Text="Change Password!!!!!" 
     meta:resourcekey="Label1Resource1"></asp:Label></td>

I’ve added the exclamation marks (!!!!!) and that’s not showing up when I refresh the page either…..

Edit 3: As I’ve noted in one of the comments, if I delete a table from the page and reload the page, that table disappears, so I know the page is reloading properly. The runat=”Server” property, does that work a certain way where it caches text or something? I’m out of ideas….

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1 Answer

  1. Editorial Team

    1. Like Kirill said, use ErrorMessage instead of Text.

    2. But the main problem is, I think, your localization, which is handled through the meta:resourcekey tag and resources.
      Here is a good explanation:
      ASP.NET meta:resourcekey

    If you set automatically or manually the resource localization file and change something afterwards, for example a Label Text property, then you need to do it in the resource file too. Because there should be your initial value, which is loaded at runtime.

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