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A fast regular expression indexing engine

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2 Author(s)
Junghoo Cho ; California Univ., Los Angeles, CA, USA ; Rajagopalan, S.

In this paper; we describe the design, architecture, and lessons learned from the implementation of a fast regular-expression indexing engine FREE. FREE uses a prebuilt index to identify the text data units which may contain a matching string and only examines these further. In this way, FREE shows orders of magnitude performance improvement in certain cases over standard regular expression matching systems, such as lex, awk and grep

Published in:
Data Engineering, 2002. Proceedings. 18th International Conference on

Date of Conference: 2002

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