Board Thread:Questions and Answers/@comment-16734268-20140708202453/@comment-5334617-20140708212619

The length of a string can be between 0 (empty) and 256 inclusive. If you try to create a string that's 257 characters long, you get a  error.

If you're used to the C programming language, it's worth noting that CHR$(0) is allowed as a character in the middle of a string.