<!-- @license Apache-2.0 Copyright (c) 2020 The Stdlib Authors. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. --> # numGraphemeClusters > Return the number of [grapheme clusters][unicode-text-segmentation] in a string. <section class="usage"> ## Usage ```javascript var numGraphemeClusters = require( '@stdlib/string/num-grapheme-clusters' ); ``` #### numGraphemeClusters( str ) Returns the number of [grapheme clusters][unicode-text-segmentation] in a `string`. ```javascript var out = numGraphemeClusters( 'last man standing' ); // returns 17 out = numGraphemeClusters( 'Hidden Treasures' ); // returns 16 ``` </section> <!-- /.usage --> <section class="examples"> ## Examples <!-- eslint no-undef: "error" --> ```javascript var numGraphemeClusters = require( '@stdlib/string/num-grapheme-clusters' ); var str = numGraphemeClusters( 'last man standing' ); // returns 17 str = numGraphemeClusters( '六书/六書' ); // returns 5 str = numGraphemeClusters( 'अनुच्छेद' ); // returns 5 str = numGraphemeClusters( '🌷' ); // returns 1 ``` </section> <!-- /.examples --> * * * <section class="cli"> ## CLI <section class="usage"> ### Usage ```text Usage: num-grapheme-clusters [options] [<string>] Options: -h, --help Print this message. -V, --version Print the package version. -l, --lines Analyze individual lines. ``` </section> <!-- /.usage --> <section class="examples"> ### Examples ```bash $ num-grapheme-clusters beep 4 ``` To use as a [standard stream][standard-streams], ```bash $ echo -n 'beep\nboop🌷' | num-grapheme-clusters 10 ``` ```bash $ echo -n 'beep\nboop🌷' | num-grapheme-clusters -l 4 5 ``` </section> <!-- /.examples --> </section> <!-- /.cli --> <!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. --> <section class="related"> * * * ## See Also - <span class="package-name">[`@stdlib/string/next-grapheme-cluster-break`][@stdlib/string/next-grapheme-cluster-break]</span><span class="delimiter">: </span><span class="description">return the next extended grapheme cluster break in a string after a specified position.</span> </section> <!-- /.related --> <!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. --> <section class="links"> [unicode-text-segmentation]: http://www.unicode.org/reports/tr29/ [standard-streams]: https://en.wikipedia.org/wiki/Standard_streams <!-- <related-links> --> [@stdlib/string/next-grapheme-cluster-break]: https://github.com/stdlib-js/string/tree/main/next-grapheme-cluster-break <!-- </related-links> --> </section> <!-- /.links -->