Aho–Corasick string matching algorithm
npm install aho-corasickAbout 
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aho-corasick - Aho–Corasick string matching algorithm
Installation
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$ npm install hsujian/aho-corasick
Example (coffee)
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ac = new AhoCorasick() ac.add word, word:word for word in ['say', 'she', 'shr', 'he', 'her']
ac.build_fail()
actual = {}
ac.search 'yasherhs', (found_word)->
actual[found_word] ?= 0
actual[found_word]++