Method and system for performing a pattern match search for text strings
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United States of America Patent
Stats
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May 30, 2006
Grant Date -
Jan 9, 2003
app pub date -
Jul 3, 2001
filing date -
Jul 3, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and system for performing a pattern match search for a data string having a plurality of characters separated by delimiters. In accordance with the method of the present invention a search key is constructed by generating a full match search increment comprising the binary representation of a data string element, wherein the data string element comprises all characters between a pair of delimiters. The search key is completed by concatenating a pattern search prefix to the full match search increment, wherein the pattern search prefix is a cumulative pattern search result of each previous full match search increment. A full match search is then performed within a lookup table utilizing the search key. In response to finding a matching pattern within the lookup table, the process returns to constructing a next search key. In response to not finding a matching pattern, the previous full match search result is utilized to process the data string.
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