validate color(hexadecimal value) using .net data annotations

Question

I need validate model variable color in MVC using data annotations. it should be a hexadecimal value. how to validate.

Answer 1

You can use RegularExpression data annotation attribute, like below:

[RegularExpression("^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$", ErrorMessage = "Invalid Format")]
public string Color { get; set; }