Create an HTML Email Input Online
The HTML Email Input Generator creates a labeled <input type="email"> field. Configure its name, ID, label, placeholder, visible size, multiple-address mode, required state, and optional pattern; all outputs update together.
Browsers apply email-format constraint validation, but they cannot verify that an address exists or can receive mail. Server-side validation remains necessary.
Email Input Generator Options
- Name identifies the field in submitted form data.
- ID connects the input to the visible Label.
- Placeholder provides a temporary example or hint.
- Size controls the approximate visible width in characters.
- Multiple permits a comma-separated list of email addresses.
- Required prevents an empty value from passing browser constraint validation.
- Pattern adds a regular-expression constraint in addition to email syntax validation.
Keep the visible label even when the placeholder contains an example address.
Create an HTML Email Input in C#
The C# panel shows how to create the configured field with Aspose.HTML for .NET . The generated code follows this workflow:
- Create an
HTMLDocumentand anHTMLInputElement. - Set its type, name, ID, placeholder, size, and selected validation attributes.
- Create an
HTMLLabelElementand associate it with the input. - Add both elements with
AppendChild()and writeemail-input.htmlwithSave().
Configure the field before copying the updated C# code.
HTML Email Input Generator FAQ
1. What validation does <input type="email"> provide?
The browser checks whether a non-empty value follows its email-address syntax rules and reports a type mismatch when it does not. This check does not confirm that the mailbox exists.
2. How do I allow more than one email address?
Enable multiple. The field then accepts a comma-separated list, and each address must satisfy email syntax and any configured pattern.
3. How does pattern interact with email validation?
A non-empty value must satisfy both the built-in email syntax and the regular expression in pattern. Use the pattern only for a real additional rule, such as restricting an internal form to a specific domain.
4. Does required reject an empty multiple-email field?
Yes. With required, the field must contain at least one address that passes the applicable validation. Without it, an empty value is valid.
5. Can the placeholder replace the email label?
No. Placeholder text disappears during entry and is not a reliable accessible name. Keep the visible label linked through matching for and id values.
Get Started with Aspose.HTML for .NET API
Install Aspose.HTML for .NET from NuGet with the .NET CLI:
dotnet add package Aspose.HTML
You can also use the NuGet Package Manager UI or run Install-Package Aspose.HTML in the Package Manager Console. See the
installation guide
for setup details, or request a
temporary license
to evaluate the API without evaluation limitations.
Other Supported HTML Generators
Create and preview markup for other common HTML elements.