Package Exports

@stdlib/regexp-eol
@stdlib/regexp-eol/dist
@stdlib/regexp-eol/dist/index.js
@stdlib/regexp-eol/lib/index.js

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Readme

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reEOL

Regular expression to match a newline character sequence.

Installation

npm install @stdlib/regexp-eol

Usage

var reEOL = require( '@stdlib/regexp-eol' );

reEOL( [options] )

Returns a Regular expression to match a newline character sequence.

var RE_EOL = reEOL();

var bool = RE_EOL.test( '\n' );
// returns true

bool = RE_EOL.test( '\r\n' );
// returns true

bool = RE_EOL.test( '\\r\\n' );
// returns false

The function accepts an options object with optional properties:

flags: string specifying regular expression flags. Default: ''.
capture: boolean indicating whether to create a capture group for the match. Default: false.

By default, the function returns a regular expression which does not have any flags specified. To specify flags, set the flags option with a list of flags (which may be in any order).

var replace = require( '@stdlib/string-replace' );

var RE_EOL = reEOL({
    'flags': 'g'
});

var str = '1\n2\n3';
var out = replace( str, RE_EOL, '' );
// returns '123'

By default, the function returns a regular expression which does not capture the part of a string matching the regular expression. To capture matches, set the capture option.

var RE_EOL = reEOL({
    'capture': true
});

var str = 'beep\nboop';
var arr = str.split( RE_EOL );
// returns [ 'beep', '\n', 'boop' ]

reEOL.REGEXP

Regular expression to match a newline character sequence.

var bool = reEOL.REGEXP.test( 'abc' );
// returns false

reEOL.REGEXP_CAPTURE

Regular expression to capture a newline character sequence.

var parts = reEOL.REGEXP_CAPTURE.exec( '\n' );
// returns [ '\n', '\n' ]

Examples

var reEOL = require( '@stdlib/regexp-eol' );

var RE_EOL = reEOL();
var bool;
var str;

bool = RE_EOL.test( '\r\n' );
// returns true

bool = RE_EOL.test( '\n' );
// returns true

bool = RE_EOL.test( '\r' );
// returns false

bool = RE_EOL.test( '\\r\\n' );
// returns false

bool = RE_EOL.test( 'beep' );
// returns false

str = 'This is\na newline\r\ndelimited string.';

var arr = str.split( RE_EOL );
// returns [ 'This is', 'a newline', 'delimited string.' ]

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

License

See LICENSE.

@stdlib/regexp-eol