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I have 2 questions regarding MVC view validation using System.ComponentModel.DataAnnotations:

  1. How do I verify if a value entered in a text box is a URI?

  2. How can I verify using RegularExpression if the URL entered in a Box does not start with HTTP:// or ends with ".m3u8"

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1 Answer 1

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Try something like this 

[RegularExpression(@"((((ht)tp?:\/\/)?[^\/\s]+\.(m3u8))(\/\S*)?)", ErrorMessage="Not a Valid URL")]
public string URL { get; set; }
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