HostnameFormatValidator
Validator for "Hostname" format.
using Newtonsoft.Json.Linq;
using System.Runtime.CompilerServices;
using System.Text.RegularExpressions;
namespace NJsonSchema.Validation.FormatValidators
{
[System.Runtime.CompilerServices.NullableContext(1)]
[System.Runtime.CompilerServices.Nullable(0)]
public class HostnameFormatValidator : IFormatValidator
{
private const string HostnameExpression = "^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]*[a-zA-Z0-9])\\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\\-]*[A-Za-z0-9])$";
public string Format { get; } = "hostname";
public ValidationErrorKind ValidationErrorKind { get; } = ValidationErrorKind.HostnameExpected;
public bool IsValid(string value, JTokenType tokenType)
{
return Regex.IsMatch(value, "^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]*[a-zA-Z0-9])\\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\\-]*[A-Za-z0-9])$", RegexOptions.IgnoreCase);
}
}
}