gistfile1.js

var positive = [
  'http://foo.com/blah_blah',
  'http://foo.com/blah_blah/',
  'http://foo.com/blah_blah_(wikipedia)',
  'http://foo.com/blah_blah_(wikipedia)_(again)',
  'http://www.example.com/wpstyle/?p=364',
  'https://www.example.com/foo/?bar=baz&inga=42&quux',
  'http://✪df.ws/123',
  'http://userid:[email protected]:8080',
  'http://userid:[email protected]:8080/',
  'http://[email protected]',
  'http://[email protected]/',
  'http://[email protected]:8080',
  'http://[email protected]:8080/',
  'http://userid:[email protected]',
  'http://userid:[email protected]/',
  'http://142.42.1.1/',
  'http://142.42.1.1:8080/',
  'http://➡.ws/䨹',
  'http://⌘.ws',
  'http://⌘.ws/',
  'http://foo.com/blah_(wikipedia)#cite-1',
  'http://foo.com/blah_(wikipedia)_blah#cite-1',
  'http://foo.com/unicode_(✪)_in_parens',
  'http://foo.com/(something)?after=parens',
  'http://☺.damowmow.com/',
  'http://code.google.com/events/#&product=browser',
  'http://j.mp',
  'ftp://foo.bar/baz',
  'http://foo.bar/?q=Test%20URL-encoded%20stuff',
  'http://مثال.إختبار',
  'http://例子.测试',
  'http://उदाहरण.परीक्षा',
  'http://-.~_!$&\'()*+,;=:%40:80%2f::::::@example.com',
  'http://1337.net',
  'http://10.1.1.1',
  'http://10.1.1.254',
  'http://223.255.255.254',
];

var negative = [
  'http://',
  'http://.',
  'http://..',
  'http://../',
  'http://?',
  'http://??',
  'http://??/',
  'http://#',
  'http://##',
  'http://##/',
  'http://foo.bar?q=Spaces should be encoded',
  '//',
  '//a',
  '///a',
  '///',
  'http:///a',
  'foo.com',
  'rdar://1234',
  'h://test',
  'http:// shouldfail.com',
  ':// should fail',
  'http://foo.bar/foo(bar)baz quux',
  'ftps://foo.bar/',
  'http://-error-.invalid/',
  'http://a.b--c.de/',
  'http://-a.b.co',
  'http://a.b-.co',
  'http://0.0.0.0',
  'http://10.1.1.0',
  'http://10.1.1.255',
  'http://224.1.1.1',
  'http://1.1.1.1.1',
  'http://123.123.123',
  'http://.www.foo.bar/',
  'http://www.foo.bar./',
  'http://.www.foo.bar./'
]

var parts = null;
var regexp = /^((https?|ftp):\/\/)(((.+)@)?([^-\.\/\s]([^:\/\?#\s]+))(:(\d+))?)(\/?[^\?\s#]+)?(\?([^#\s]+))?(#(.*))?$/i;

// positive
console.debug('Running positive expectations...');
count = 0;
for (var i = 0; i < positive.length; i += 1) {
  if (parts = positive[i].match(regexp)) count += 1;
  else console.debug('FAILED: ', positive[i]);
}
console.debug(count + ' of ' + positive.length + ' passed.');
console.debug(positive.length - count + ' failed.');

// negative
console.debug('Running negative expectations...');
count = 0;
for (var i = 0; i < negative.length; i += 1) {
  if (parts = negative[i].match(regexp)) {
    parts = {scheme: parts[2], credentials: parts[5], host: parts[6], port: parts[9], path: parts[10], query: parts[12], hash: parts[14]};
    console.debug('FAILED: ', negative[i], parts);
  } else count += 1;
  
}
console.debug(count + ' of ' + negative.length + ' passed.');
console.debug(negative.length - count + ' failed.');