longest common substring

(classic problem)

Definition: Find the longest substring of two or more strings.

See also longest common subsequence, shortest common superstring.

Note: The longest common substring is contiguous, while the longest common subsequence need not be.

Author: PEB


(C and Mathematica)
Go to the Dictionary of Algorithms and Data Structures home page.

If you have suggestions, corrections, or comments, please get in touch with Paul Black.

Entry modified 4 March 2019.
HTML page formatted Wed Mar 13 12:42:46 2019.

Cite this as:
Paul E. Black, "longest common substring", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed. 4 March 2019. (accessed TODAY) Available from: