Least used delimiter character in normal text < ASCII 128

Question

For coding reasons which would horrify you (I\'m too embarrassed to say), I need to store a number of text items in a single string.

I will delimit them using a char

Answer 1

Both pipe and caret are the obvious choices. I would note that if users are expected to type the entire response, caret is easier to find on any keyboard than is pipe.

Answer 2

When using different languages, this symbol: ¬

proved to be the best. However I'm still testing.