pub const RE_ARK_TEXT: &str = r#"^(?<nma>(?<schema_uri>https\:\/\/).+)?\/?(?<label>ark\:\/?)\/?(?<naan>\d{2,9})\/(?<assigned_name>[a-z0-9A-Z]+)?\/?(?<parts>[^.]+)?\.?(?<variants>[a-zA-Z0-9-.]+)?$"#;Expand description
Pattern text for ARK regular expression defined by RE_ARK