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

See Also

• @stdlib/assert-is-ascii-cli: CLI package for use as a command-line utility.
• @stdlib/assert-is-string: test if a value is a 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.

Copyright

Copyright © 2016-2024. The Stdlib Authors.