Fundamentals 10 min read

Aho-Corasick Automaton: Efficient Multi‑Pattern Text Search and Real‑Time Highlighting

This article explains the Aho‑Corasick automaton, a classic multi‑pattern matching algorithm that builds a Trie with fail pointers to achieve linear‑time search over massive keyword sets, and demonstrates a Java implementation for highlighting keywords in HTML documents.

JD Tech Talk
JD Tech Talk
JD Tech Talk
Aho-Corasick Automaton: Efficient Multi‑Pattern Text Search and Real‑Time Highlighting

"); for (Token token : tokens) { if (token.isMatch()) { html.append(" "); } html.append(token.getFragment()); if (token.isMatch()) { html.append(" "); } } html.append("

JavaalgorithmCode ExampleAho-CorasickTriemulti-pattern matchingtext-search
JD Tech Talk
Written by

JD Tech Talk

Official JD Tech public account delivering best practices and technology innovation.

0 followers
Reader feedback

How this landed with the community

login Sign in to like

Rate this article

Was this worth your time?

Sign in to rate
Discussion

0 Comments

Thoughtful readers leave field notes, pushback, and hard-won operational detail here.