Since the search bar does not permit the use of characters that are not letters or numbers, levels that use dashes at the beginning of their title cannot be searched. It will turn into a dash and can be used in the title on release. The dash, however, can be added by typing a swear word that is restricted by the game. Level titles are usually limited to alphanumeric characters. Spaces also count as characters when being used for a title name.
The title of a level signifies as its name, having a character limit of 20 characters. For a comprehensive guide to using the level editor, see the Level Editor Guide.