const onionRegex = require('onion-regex');

onionRegex().test('nodejsrocks xmh57jrzrnw6insl.onion');
//=> true

onionRegex({exact: true}).test('nodejsrocks xmh57jrzrnw6insl.onion foo');
//=> false

onionRegex.v2({exact: true}).test('xmh57jrzrnw6insl.onion');
//=> true

onionRegex.v3({exact: true}).test('vww6ybal4bd7szmgncyruucpgfkqahzddi37ktceo3ah7ngmcopnpyyd.onion');
//=> true

'nodejsrocks 3g2upl4pq6kufc4m.onion rainbow facebookcorewwwi.onion'.match(onionRegex());
//=> ['3g2upl4pq6kufc4m.onion', 'facebookcorewwwi.onion']