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Allows users to enter valid data only through the input mask.
Supports custom mask formats with regular expressions (regex) to validate application-specific data.
Allows the validation of specific data formats such as phone numbers and date masks with different mask combinations.

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ASP.NET mask edit

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Overview

The ASP.NET Web Forms Mask Edit, or input mask control, provides an easy and reliable way to collect user input based on a standard mask. It allows you to capture phone numbers, date values, credit card numbers, and other standard format values.

Overview of ASP.NET Web Forms Mask Edit Control

ASP.NET Web Forms standard mask

Standard mask

The input mask control supports the standard masks listed on MSDN.

Standard mask documentation

Custom mask

Other than the standard mask elements, any custom character also can be a mask element by defining rules for it.

Custom mask documentation

ASP.NET Web Forms custom mask

Mask input combinations

The input mask control allows different mask combinations based on the standard and custom masks. So, you can form different mask formats based on your application scenarios.

ASP.NET Web Forms Mask Edit with number masking

Number mask

From the standard mask elements, form a number mask for capturing any finite-length number to get number inputs such as phone numbers and credit card numbers.

ASP.NET Web Forms Mask Edit with string masking

String mask

In the case of a country code or product key input, where the input string requires uppercase characters, the string mask format will enforce this.

ASP.NET Web Forms Mask Edit with date masking

Date mask

The mask can form any date format to get similarly formatted date values. This is helpful in getting culture-specific date values by defining the corresponding date mask.

ASP.NET Web Forms Mask Edit form validation

Form support and validation

As a form component, the captured value of a input mask control proceeds in the raw format when submitting the form.

You can also integrate the form validator plugin to perform any custom validation.

Web accessibility

Fully supports WAI-ARIA accessibility to work with screen readers and assistive devices.
Follows WAI-ARIA best practices for implementing keyboard interaction.
Designs the UI element visuals such as foreground color, background color, line spacing, text, and images based on WCAG 2.0 standard.

Developer-friendly APIs

Developers can customize all UI elements and control behaviors of the ASP.NET Web Forms input mask according to the end user’s requirements using its rich set of client-side APIs.