Scout Algorithm For Fast Substring Matching

11/08/2020

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by   Anand Natrajan, et al.

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Exact substring matching is a common task in many software applications. Despite the existence of several algorithms for finding whether or not a pattern string is present in a target string, the most common implementation is a naïve, brute force approach. Alternative approaches either do not provide enough of a benefit for the added complexity, or are impractical for modern character sets, e.g., Unicode. We present a new algorithm, Scout, that is straightforward, quick and appropriate for all applications. We also compare the performance characteristics of the Scout algorithm with several others.