Analyzing Matching Time Behavior Of Backtracking Regular Expression Matchers By Using Ambiguity Of Nfa
IMPLEMENTATION AND APPLICATION OF AUTOMATA(2016)
Abstract
We apply results from ambiguity of non-deterministic finite automata to the problem of determining the asymptotic worst-case matching time, as a function of the length of the input strings, when attempting to match input strings with a given regular expression, where the matcher being used is a backtracking regular expression matcher.
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Key words
Regular expression, Backtracking matcher, Ambiguity
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