/// <summary>
/// Determines whether the specified value is hexadecimal.
/// Deals with null strings
/// </summary>
/// <param name="source">The source.</param>
/// <returns>
/// <c>true</c> if the specified text is hex; otherwise, <c>false</c>.
/// </returns>
public static bool IsHex(this string source)
{
if (string.IsNullOrEmpty(source))
{
return(false);
}
return(HexRegex.IsMatch(source.Trim().ToLower()));
}
private static bool IsValidColor(string?color)
{
if (string.IsNullOrWhiteSpace(color))
{
return(false);
}
return(HexRegex.IsMatch(color));
}