Definition: A string v is a substring of a string u if u=u′ vu″ for some prefix u′ and suffix u″.
Also known as factor.
See also subsequence.
Note: A substring is contiguous. A subsequence need not be.
From Algorithms and Theory of Computation Handbook, pages 11-26 and 12-21, Copyright © 1999 by CRC Press LLC. Appearing in the Dictionary of Computer Science, Engineering and Technology, Copyright © 2000 CRC Press LLC.
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Entry modified 17 December 2004.
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Cite this as:
Algorithms and Theory of Computation Handbook, CRC Press LLC, 1999, "substring", in Dictionary of Algorithms and Data Structures [online], Vreda Pieterse and Paul E. Black, eds. 17 December 2004. (accessed TODAY) Available from: https://www.nist.gov/dads/HTML/substring.html