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fast-string-search
Advanced tools
Fast search substrings in a string by using N-API and boyer-moore-magiclen.
This module can search substrings in a string by using N-API and boyer-moore-magiclen. The result of benchmark shows that this module is 10 times faster than the indexOf
function of a Node.js string.
Import this module by using require
function.
const fss = require("fast-string-search");
Full text search in a string.
const a = fss.indexOf("coocoocoocoo", "oocoo"); // [1, 4, 7]
You can also set the offset of characters and the number of substrings you want to find.
const a = fss.indexOf(source, pattern, offset, limit);
The default value of offset
is 0
, and the default value of limit
is 1000
.
Normal text search in a string.
const a = fss.indexOfSkip("coocoocoocoo", "oocoo"); // [1, 7]
Full text search from the end of a string.
const a = fss.lastIndexOf("coocoocoocoo", "oocoo"); // [7, 4, 1]
const a = fss.utf16IndexOf(Buffer.from("coocoocoocoo", "utf16le"), Buffer.from("oocoo", "utf16le")); // [1, 4, 7]
To run the test suite, first install the dependencies, then run npm test
:
npm install
npm test
To run the benchmark suite, first install the dependencies, then run npm run benchmark
:
npm install
npm run benchmark
Here is my result,
Full Text Search
- 87 milliseconds
✓ natively search text(indexOf) (87ms)
- 7 milliseconds
✓ Use FSS to search text
Normal Text Search
- 35 milliseconds
✓ natively search text(indexOf)
- 46 milliseconds
✓ natively search text(RegExp) (46ms)
- 6 milliseconds
✓ Use FSS to search text
FAQs
Fast search substrings in a string by using N-API and boyer-moore-magiclen.
We found that fast-string-search demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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