Most current web browsers support these features and handle input validation.
For example: As you can see we used another validator inside our validator, the match validator.
This means that validation needs to be carried out server-side as well.
Where possible, users should be able to check their input and correct it if necessary.
These dialogs are expected to respect the settings and preferences of the user in the web browser (and operating system), such as default font-size, colors, and language.
In the example below, the attribute is added to the input field.In addition to providing instructions, validate user input to help users avoid mistakes.