Determining whether an input string matches at least one regular expression using lookahead finite automata based regular expression detection
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United States of America Patent
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Oct 22, 2013
Grant Date -
Apr 21, 2011
app pub date -
Oct 18, 2010
filing date -
Oct 17, 2009
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Abstract
Previously configured state machines may accept an input string, and for each of the regular expression(s), check for a match between the input string accepted and the given regular expression using the configured nodes of the state machine corresponding to the given regular expression. Checking for a match between the input string accepted and the given regular expression using configured nodes of a state machine corresponding to the given regular expression by using the configured nodes of the state machine may include (1) checking detection events from a simple string detector, (2) submitting queries to identified modules of a variable string detector, and (3) receiving detection events from the identified modules of the variable string detector.
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