README
isASCII
Test whether a character belongs to the ASCII character set and whether this is true for all characters in a provided string.
Installation
npm install @stdlib/assert-is-ascii
Usage
var isASCII = require( '@stdlib/assert-is-ascii' );
isASCII( value )
Tests whether a character belongs to the ASCII character set and whether this is true for all characters in a provided string.
var bool = isASCII( 'beep' );
// returns true
Notes
- For non-string values, the function returns
false
.
Examples
var isASCII = require( '@stdlib/assert-is-ascii' );
var out = isASCII( 'beep' );
// returns true
out = isASCII( '' );
// returns false
out = isASCII( 'È' );
// returns false
out = isASCII( 123 );
// returns false
CLI
Installation
To use the module as a general utility, install the module globally
npm install -g @stdlib/assert-is-ascii
Usage
Usage: is-ascii [options] [<string>]
Options:
-h, --help Print this message.
-V, --version Print the package version.
Examples
$ is-ascii beep
true
To use as a standard stream,
$ echo -n 'beep' | is-ascii
true
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.
Copyright
Copyright © 2016-2021. The Stdlib Authors.