const urlChecker = require('url-checker'); // not now in npm, but u cat copy code from index.js is very-lightweight!

urlChecker(
	{
		'/a/b-{c}-d-{e}':  vars => console.log(vars),
		'/about':          vars => console.log(vars),
	},
	'/a/b-lalala-d-lololo'
);

// prints   {c: 'lalala', e: 'lololo'}

{
	'/category': variablesFromUrl => {},
	'/category/page': variablesFromUrl => {},
	'/category/page-{pageNumber}': variablesFromUrl => { /* here variablesFromUrl.pageNumber is 31337 */ },
}