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Remove Words

Remove a list of words from a string.

Installation

npm install @stdlib/string-remove-words

Alternatively,

• To load the package in a website via a script tag without installation and bundlers, use the ES Module available on the esm branch (see README).
• If you are using Deno, visit the deno branch (see README for usage intructions).
• For use in Observable, or in browser/node environments, use the Universal Module Definition (UMD) build available on the umd branch (see README).
• To use as a general utility for the command line, install the corresponding CLI package globally.

The branches.md file summarizes the available branches and displays a diagram illustrating their relationships.

To view installation and usage instructions specific to each branch build, be sure to explicitly navigate to the respective README files on each branch, as linked to above.

Usage

var removeWords = require( '@stdlib/string-remove-words' );

removeWords( str, words[, ignoreCase] )

Removes all occurrences of the given words from a string.

var str = 'beep boop Foo bar';
var out = removeWords( str, [ 'boop', 'foo' ] );
// returns 'beep  Foo bar'

By default, words are removed from an input string in case of an exact match. To perform a case-insensitive replace operation, set ignoreCase to true.

var str = 'beep boop Foo bar';
var out = removeWords( str, [ 'boop', 'foo' ], true );
// returns 'beep   bar'

Examples

var removeWords = require( '@stdlib/string-remove-words' );
var stopwords = require( '@stdlib/datasets-stopwords-en' );
var inmap = require( '@stdlib/utils-inmap' );
var spam = require( '@stdlib/datasets-spam-assassin' );

var corpus = spam();
var words = stopwords();

function remove( mail, idx ) {
    var newText = removeWords( mail.text, words );
    console.log( 'After removing stop words, email %d contains %d characters. Originally, it contained %d.', idx, newText.length, mail.text.length );
    mail.text = newText;
}

inmap( corpus, remove );

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CLI

Installation

To use as a general utility, install the CLI package globally

npm install -g @stdlib/string-remove-words-cli

Usage

Usage: remove-words [options] [<string>] --words=<string>

Options:

  -h,    --help                Print this message.
  -V,    --version             Print the package version.
         --words w1,w2,...     Comma-separated list of words.
         --ignore-case         Perform case-insensitive replace operation.

Examples

$ remove-words 'beep! boop!!!' --words='beep,boop'
! !!!

To use as a standard stream,

$ echo -n 'beep! boop!!!' | remove-words --words='BEEP,BOOP' --ignore-case
! !!!

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Notice

This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.

Community

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License

See LICENSE.

Copyright

Copyright © 2016-2024. The Stdlib Authors.