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Return the position of the next Unicode code point in a string after a specified position.
npm install @stdlib/string-next-code-point-indexAlternatively,
- To load the package in a website via a
scripttag without installation and bundlers, use the ES Module available on theesmbranch (see README). - If you are using Deno, visit the
denobranch (see README for usage intructions). - For use in Observable, or in browser/node environments, use the Universal Module Definition (UMD) build available on the
umdbranch (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.
var nextCodePointIndex = require( '@stdlib/string-next-code-point-index' );Returns the position of the next Unicode code point in a string after a specified position.
var out = nextCodePointIndex( 'last man standing' );
// returns 1By default, the function searches for a Unicode code point starting from the first index. To specify an alternative starting search index, provide a fromIndex argument.
var out = nextCodePointIndex( 'last man standing', 4 );
// returns 5- If
stringis an empty string, the function returns-1irrespective offromIndex. - If a code point does not exist after
fromIndex, the function returns-1. - Note that
fromIndexdoes not refer to a visual character position, but to an index in the ordered sequence of UTF-16 code units.
var nextCodePointIndex = require( '@stdlib/string-next-code-point-index' );
var out = nextCodePointIndex( 'last man standing', 4 );
// returns 5
out = nextCodePointIndex( 'presidential election', 8 );
// returns 9
out = nextCodePointIndex( '๐ป๐๐ป๐', 0 );
// returns 2
out = nextCodePointIndex( '๐ท', 0 );
// returns -1To use as a general utility, install the CLI package globally
npm install -g @stdlib/string-next-code-point-index-cliUsage: next-code-point-index [options] [<string>]
Options:
-h, --help Print this message.
-V, --version Print the package version.
--from index Starting search position in string. Default: 0.
$ next-code-point-index --from=0 ๐ป๐๐ป๐
2To use as a standard stream,
$ echo -n '๐ป๐๐ป๐' | next-code-point-index --from=0
2This 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.
See LICENSE.
Copyright ยฉ 2016-2024. The Stdlib Authors.
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