In formal language theory, the empty string (or null string) is the unique string of length zero.
Read more about Empty String: Formal Theory, Use in Programming Languages
Famous quotes containing the words empty and/or string:
“Nor for my words shall ye forget your tears,
Or hope again for aught that I can say,
The idle singer of an empty day.”
—William Morris (1834–1896)
“The most perfect expression of human behavior is a string quartet.”
—Jeffrey Tate (b. 1943)