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Sentence Boundary Detection (SBD)
=================================

Split text into sentences with a vanilla rule based approach (i.e working ~95% of the time).

* Split a text based on period, question- and exclamation marks.
* Skips (most) abbreviations (Mr., Mrs., PhD.)
* Skips numbers/currency
* Skips urls, websites, email addresses, phone nr.
* Counts ellipsis and ?! as single punctuation

$3

http://tessmore.github.io/sbd/

Installation

Use npm or yarn:

$ npm install sbd

$ yarn add sbd

How to

javascript

var tokenizer = require('sbd');



var optional_options = {};

var text = "On Jan. 20, former Sen. Barack Obama became the 44th President of the U.S. Millions attended the Inauguration.";

var sentences = tokenizer.sentences(text, optional_options);



// [

//  'On Jan. 20, former Sen. Barack Obama became the 44th President of the U.S.',

//  'Millions attended the Inauguration.',

// ]







#### Optional options



var options = {

    "newline_boundaries" : false,

    "html_boundaries"    : false,

    "sanitize"           : false,

    "allowed_tags"       : false,

    "preserve_whitespace" : false,

    "abbreviations"      : null

};

newline_boundaries

, force sentence split at newlines

*

html_boundaries

, force sentence split at specific tags (br, and closing p, div, ul, ol)

*

sanitize

: If you don't expect nor want html in your text.

*

allowed_tags

: To sanitize html, the library santize-html is used. You can pass the allowed tags option.

*

preserve_whitespace

: Preserve the literal whitespace between words and sentences (otherwise, internal spaces are normalized to a single space char, and inter-sentence whitespace is omitted). Preserve whitespace has no effect if either newline_boundaries or html_boundaries is specified.

*

abbreviations

: list of abbreviations to override the original ones for use with other languages. Don't put dots in your custom abbreviations.







Contributing



You can run unit tests with

npm test

.



If you feel something is missing, you can open an issue stating the problem sentence and desired result. If code is unclear give me a @mention. Pull requests are welcome.





Building the (minified) scripts



npm install -g browserify



npm run-script build

How to

javascript
var tokenizer = require('sbd');

var optional_options = {};
var text = "On Jan. 20, former Sen. Barack Obama became the 44th President of the U.S. Millions attended the Inauguration.";
var sentences = tokenizer.sentences(text, optional_options);

// [
// 'On Jan. 20, former Sen. Barack Obama became the 44th President of the U.S.',
// 'Millions attended the Inauguration.',
// ]

#### Optional options

var options = {
"newline_boundaries" : false,
"html_boundaries" : false,
"sanitize" : false,
"allowed_tags" : false,
"preserve_whitespace" : false,
"abbreviations" : null
};

, force sentence split at newlines
*

, force sentence split at specific tags (br, and closing p, div, ul, ol)
*

: If you don't expect nor want html in your text.
*

: To sanitize html, the library santize-html is used. You can pass the allowed tags option.
*

: Preserve the literal whitespace between words and sentences (otherwise, internal spaces are normalized to a single space char, and inter-sentence whitespace is omitted). Preserve whitespace has no effect if either newline_boundaries or html_boundaries is specified.
*

: list of abbreviations to override the original ones for use with other languages. Don't put dots in your custom abbreviations.

Contributing

You can run unit tests with

.

If you feel something is missing, you can open an issue stating the problem sentence and desired result. If code is unclear give me a @mention. Pull requests are welcome.

Building the (minified) scripts

npm install -g browserify

npm run-script build