C# Regex Match if Given String is a valid email

public static Boolean IsEmailValid(String Email) { String RegularExpression = @"^([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}" + @"\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\" + @".)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$"; Regex Regex = new Regex(RegularExpression); return (Regex.IsMatch(Email)) ? true : false; }

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