Package Exports

aho-corasick2

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Readme

About

aho-corasick2 - Aho–Corasick string matching algorithm

#Installation

$ npm install aho-corasick2

Example

API

import * as AhoCorasick from 'aho-corasick2';
import AhoCorasick from 'aho-corasick2';
import AhoCorasick = require('aho-corasick2');

var ac, actual, i, len, ref, word;

ac = new AhoCorasick();

ref = ['say', 'she', 'shr', 'he', 'her'];
for (i = 0, len = ref.length; i < len; i++) {
  word = ref[i];
  ac.add(word, {
    word: word
  });
}

ac.build_fail();

console.dir(ac, {
    depth: null,
    colors: true,
});

actual = {};

ac.search('yasherhs', function(found_word) {
  if (actual[found_word] == null) {
    actual[found_word] = 0;
  }
  return actual[found_word]++;
});

console.dir(actual, {
    depth: null,
    colors: true,
});

build graphviz dot

        ac = new AhoCorasick()
        ac.add word, word:word for word in ['say', 'she', 'shr', 'he', 'her']
        ac.build_fail()
        console.log ac.to_dot()

save output as trie.dot and

$ dot -Tpng trie.dot -o trie.png

You also need to install GraphViz

Author

Dejian Xu Google+

Thanks

Thomas Booth https://github.com/tombooth/aho-corasick.js
glejeune node-graphviz https://github.com/glejeune/node-graphviz

References

wikipedia: Aho-Corasick