Type Alias AlphanumericOnly<Type>

AlphanumericOnly: Type extends EmptyString
    ? EmptyString
    : Type extends `${infer First}${infer Rest}`
        ? First extends AlphanumericCharacter
        | Space
            ? `${First}${AlphanumericOnly<Rest>}`
            : Rest extends EmptyString ? Rest : `${Space}${AlphanumericOnly<Rest>}`
        : never