Boyer-Moore-Horspool

(algorithm)

Definition: A string matching algorithm that compares characters from the end of the pattern to its beginning. When characters don't match, searching jumps to the next matching position in the pattern.

Also known as Horspool.

See also Boyer-Moore.

Author: PEB

Implementation

Christian Charras' and Thierry Lecroq's Horspool algorithm (C). Gonnet and Baeza-Yates' (C) or (Pascal)

More information

R. Nigel Horspool, Practical Fast Searching in Strings, Software - Practice and Experience, 10:501-506, 1980.

Go to the Dictionary of Algorithms and Data Structures home page.

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

Entry modified 30 September 2009.
HTML page formatted Wed Sep 30 13:22:29 2009.

Cite this as:
Paul E. Black, "Boyer-Moore-Horspool", in Dictionary of Algorithms and Data Structures [online], Paul E. Black, ed., U.S. National Institute of Standards and Technology. 30 September 2009. (accessed TODAY) Available from: http://www.itl.nist.gov/div897/sqg/dads/HTML/boyerMooreHorspool.html