astral-regex 
Regular expression for matching astral symbols
Install
$ npm install astral-regex
Usage
const astralRegex = require('astral-regex');
astralRegex({exact: true}).test('');
//=> true
API
astralRegex([options])
Returns a RegExp for matching astral symbols.
options
Type: Object
exact
Type: boolean
Default: false (Matches any astral symbols in a string)
Only match an exact string. Useful with RegExp#test() to check if a string is a astral symbol.
License
MIT © Kevin Mårtensson