Prologue

Après avoir installé une extension de navigateur anti-XSS, Stack Snippets a soudainement cessé de fonctionner sur tout le réseau Stack Exchange. Je ne pouvais plus apprendre de Stack Overflow , voir des démos de travail sur l'expérience utilisateur et, pire encore, je ne pouvais pas tester les réponses JavaScript sur la programmation des puzzles et du code Golf ! Désespérément, j'ai cherché un remède et j'ai trouvé une petite boîte de saisie dans les paramètres, dans laquelle pouvait placer une seule expression régulière. Je ne pouvais pas ranger tous les sites Stack Exchange dans celui-ci, petite boîte, alors j'ai demandé de l'aide. Telle est cette question.

Tâche

Votre tâche consiste à créer une expression régulière qui correspond à toutes les URL du site Web Stack Exchange, sans faire correspondre aucun domaine n'appartenant pas à Stack Overflow Inc ..

Votre expression régulière doit correspondre à toutes les URL avec les parties suivantes:

• protocol: ce sera soit http://ou https://.

• domain: ce sera un élément de cette liste:

  stackoverflow.com
  www.stackoverflow.com
  facebook.stackoverflow.com
  serverfault.com
  superuser.com
  meta.stackexchange.com
  webapps.stackexchange.com
  nothingtoinstall.com
  meta.webapps.stackexchange.com
  meta.nothingtoinstall.com
  gaming.stackexchange.com
  arqade.com
  thearqade.com
  meta.gaming.stackexchange.com
  meta.arqade.com
  meta.thearqade.com
  webmasters.stackexchange.com
  webmaster.stackexchange.com
  meta.webmasters.stackexchange.com
  meta.webmaster.stackexchange.com
  cooking.stackexchange.com
  seasonedadvice.com
  meta.cooking.stackexchange.com
  meta.seasonedadvice.com
  gamedev.stackexchange.com
  meta.gamedev.stackexchange.com
  photo.stackexchange.com
  photography.stackexchange.com
  photos.stackexchange.com
  meta.photo.stackexchange.com
  meta.photography.stackexchange.com
  meta.photos.stackexchange.com
  stats.stackexchange.com
  statistics.stackexchange.com
  crossvalidated.com
  meta.stats.stackexchange.com
  meta.statistics.stackexchange.com
  math.stackexchange.com
  maths.stackexchange.com
  mathematics.stackexchange.com
  meta.math.stackexchange.com
  diy.stackexchange.com
  meta.diy.stackexchange.com
  meta.superuser.com
  meta.serverfault.com
  gis.stackexchange.com
  meta.gis.stackexchange.com
  tex.stackexchange.com
  meta.tex.stackexchange.com
  askubuntu.com
  ubuntu.stackexchange.com
  meta.askubuntu.com
  meta.ubuntu.stackexchange.com
  money.stackexchange.com
  basicallymoney.com
  www.basicallymoney.com
  meta.money.stackexchange.com
  english.stackexchange.com
  elu.stackexchange.com
  meta.english.stackexchange.com
  stackapps.com
  ux.stackexchange.com
  ui.stackexchange.com
  meta.ux.stackexchange.com
  meta.ui.stackexchange.com
  unix.stackexchange.com
  linux.stackexchange.com
  meta.unix.stackexchange.com
  meta.linux.stackexchange.com
  wordpress.stackexchange.com
  meta.wordpress.stackexchange.com
  cstheory.stackexchange.com
  meta.cstheory.stackexchange.com
  apple.stackexchange.com
  askdifferent.com
  meta.apple.stackexchange.com
  rpg.stackexchange.com
  meta.rpg.stackexchange.com
  bicycles.stackexchange.com
  bicycle.stackexchange.com
  cycling.stackexchange.com
  bikes.stackexchange.com
  meta.bicycles.stackexchange.com
  meta.bicycle.stackexchange.com
  programmers.stackexchange.com
  programmer.stackexchange.com
  meta.programmers.stackexchange.com
  electronics.stackexchange.com
  chiphacker.com
  www.chiphacker.com
  meta.electronics.stackexchange.com
  android.stackexchange.com
  meta.android.stackexchange.com
  boardgames.stackexchange.com
  boardgame.stackexchange.com
  meta.boardgames.stackexchange.com
  physics.stackexchange.com
  meta.physics.stackexchange.com
  homebrew.stackexchange.com
  homebrewing.stackexchange.com
  brewadvice.com
  meta.homebrew.stackexchange.com
  meta.homebrewing.stackexchange.com
  security.stackexchange.com
  itsecurity.stackexchange.com
  meta.security.stackexchange.com
  meta.itsecurity.stackexchange.com
  writers.stackexchange.com
  writer.stackexchange.com
  writing.stackexchange.com
  meta.writers.stackexchange.com
  video.stackexchange.com
  avp.stackexchange.com
  meta.video.stackexchange.com
  meta.avp.stackexchange.com
  graphicdesign.stackexchange.com
  graphicsdesign.stackexchange.com
  graphicdesigns.stackexchange.com
  meta.graphicdesign.stackexchange.com
  dba.stackexchange.com
  meta.dba.stackexchange.com
  scifi.stackexchange.com
  sciencefiction.stackexchange.com
  fantasy.stackexchange.com
  meta.scifi.stackexchange.com
  codereview.stackexchange.com
  meta.codereview.stackexchange.com
  codegolf.stackexchange.com
  meta.codegolf.stackexchange.com
  quant.stackexchange.com
  meta.quant.stackexchange.com
  pm.stackexchange.com
  meta.pm.stackexchange.com
  skeptics.stackexchange.com
  skeptic.stackexchange.com
  skepticexchange.com
  meta.skeptics.stackexchange.com
  fitness.stackexchange.com
  meta.fitness.stackexchange.com
  drupal.stackexchange.com
  meta.drupal.stackexchange.com
  mechanics.stackexchange.com
  garage.stackexchange.com
  meta.mechanics.stackexchange.com
  meta.garage.stackexchange.com
  parenting.stackexchange.com
  meta.parenting.stackexchange.com
  sharepoint.stackexchange.com
  sharepointoverflow.com
  www.sharepointoverflow.com
  meta.sharepoint.stackexchange.com
  music.stackexchange.com
  guitars.stackexchange.com
  guitar.stackexchange.com
  meta.music.stackexchange.com
  sqa.stackexchange.com
  meta.sqa.stackexchange.com
  judaism.stackexchange.com
  mi.yodeya.com
  yodeya.com
  yodeya.stackexchange.com
  miyodeya.com
  meta.judaism.stackexchange.com
  german.stackexchange.com
  deutsch.stackexchange.com
  meta.german.stackexchange.com
  japanese.stackexchange.com
  meta.japanese.stackexchange.com
  philosophy.stackexchange.com
  meta.philosophy.stackexchange.com
  gardening.stackexchange.com
  landscaping.stackexchange.com
  meta.gardening.stackexchange.com
  travel.stackexchange.com
  meta.travel.stackexchange.com
  productivity.stackexchange.com
  meta.productivity.stackexchange.com
  crypto.stackexchange.com
  cryptography.stackexchange.com
  meta.crypto.stackexchange.com
  meta.cryptography.stackexchange.com
  dsp.stackexchange.com
  signals.stackexchange.com
  meta.dsp.stackexchange.com
  french.stackexchange.com
  meta.french.stackexchange.com
  christianity.stackexchange.com
  meta.christianity.stackexchange.com
  bitcoin.stackexchange.com
  meta.bitcoin.stackexchange.com
  linguistics.stackexchange.com
  linguist.stackexchange.com
  meta.linguistics.stackexchange.com
  hermeneutics.stackexchange.com
  meta.hermeneutics.stackexchange.com
  history.stackexchange.com
  meta.history.stackexchange.com
  bricks.stackexchange.com
  meta.bricks.stackexchange.com
  spanish.stackexchange.com
  espanol.stackexchange.com
  meta.spanish.stackexchange.com
  scicomp.stackexchange.com
  meta.scicomp.stackexchange.com
  movies.stackexchange.com
  meta.movies.stackexchange.com
  chinese.stackexchange.com
  meta.chinese.stackexchange.com
  biology.stackexchange.com
  meta.biology.stackexchange.com
  poker.stackexchange.com
  meta.poker.stackexchange.com
  mathematica.stackexchange.com
  meta.mathematica.stackexchange.com
  cogsci.stackexchange.com
  meta.cogsci.stackexchange.com
  outdoors.stackexchange.com
  meta.outdoors.stackexchange.com
  martialarts.stackexchange.com
  meta.martialarts.stackexchange.com
  sports.stackexchange.com
  meta.sports.stackexchange.com
  academia.stackexchange.com
  academics.stackexchange.com
  meta.academia.stackexchange.com
  cs.stackexchange.com
  computerscience.stackexchange.com
  meta.cs.stackexchange.com
  workplace.stackexchange.com
  meta.workplace.stackexchange.com
  windowsphone.stackexchange.com
  meta.windowsphone.stackexchange.com
  chemistry.stackexchange.com
  meta.chemistry.stackexchange.com
  chess.stackexchange.com
  meta.chess.stackexchange.com
  raspberrypi.stackexchange.com
  meta.raspberrypi.stackexchange.com
  russian.stackexchange.com
  meta.russian.stackexchange.com
  islam.stackexchange.com
  meta.islam.stackexchange.com
  salesforce.stackexchange.com
  meta.salesforce.stackexchange.com
  patents.stackexchange.com
  askpatents.com
  askpatents.stackexchange.com
  meta.patents.stackexchange.com
  meta.askpatents.com
  meta.askpatents.stackexchange.com
  genealogy.stackexchange.com
  meta.genealogy.stackexchange.com
  robotics.stackexchange.com
  meta.robotics.stackexchange.com
  expressionengine.stackexchange.com
  meta.expressionengine.stackexchange.com
  politics.stackexchange.com
  meta.politics.stackexchange.com
  anime.stackexchange.com
  meta.anime.stackexchange.com
  magento.stackexchange.com
  meta.magento.stackexchange.com
  ell.stackexchange.com
  meta.ell.stackexchange.com
  sustainability.stackexchange.com
  meta.sustainability.stackexchange.com
  tridion.stackexchange.com
  meta.tridion.stackexchange.com
  reverseengineering.stackexchange.com
  meta.reverseengineering.stackexchange.com
  networkengineering.stackexchange.com
  meta.networkengineering.stackexchange.com
  opendata.stackexchange.com
  meta.opendata.stackexchange.com
  freelancing.stackexchange.com
  meta.freelancing.stackexchange.com
  blender.stackexchange.com
  meta.blender.stackexchange.com
  mathoverflow.net
  mathoverflow.stackexchange.com
  mathoverflow.com
  meta.mathoverflow.net
  space.stackexchange.com
  thefinalfrontier.stackexchange.com
  meta.space.stackexchange.com
  sound.stackexchange.com
  socialsounddesign.com
  sounddesign.stackexchange.com
  meta.sound.stackexchange.com
  astronomy.stackexchange.com
  meta.astronomy.stackexchange.com
  tor.stackexchange.com
  meta.tor.stackexchange.com
  pets.stackexchange.com
  meta.pets.stackexchange.com
  ham.stackexchange.com
  meta.ham.stackexchange.com
  italian.stackexchange.com
  meta.italian.stackexchange.com
  pt.stackoverflow.com
  br.stackoverflow.com
  stackoverflow.com.br
  meta.pt.stackoverflow.com
  meta.br.stackoverflow.com
  aviation.stackexchange.com
  meta.aviation.stackexchange.com
  ebooks.stackexchange.com
  meta.ebooks.stackexchange.com
  alcohol.stackexchange.com
  beer.stackexchange.com
  dranks.stackexchange.com
  meta.alcohol.stackexchange.com
  meta.beer.stackexchange.com
  softwarerecs.stackexchange.com
  meta.softwarerecs.stackexchange.com
  arduino.stackexchange.com
  meta.arduino.stackexchange.com
  cs50.stackexchange.com
  meta.cs50.stackexchange.com
  expatriates.stackexchange.com
  expats.stackexchange.com
  meta.expatriates.stackexchange.com
  matheducators.stackexchange.com
  meta.matheducators.stackexchange.com
  meta.stackoverflow.com
  earthscience.stackexchange.com
  meta.earthscience.stackexchange.com
  joomla.stackexchange.com
  meta.joomla.stackexchange.com
  datascience.stackexchange.com
  meta.datascience.stackexchange.com
  puzzling.stackexchange.com
  meta.puzzling.stackexchange.com
  craftcms.stackexchange.com
  meta.craftcms.stackexchange.com
  buddhism.stackexchange.com
  meta.buddhism.stackexchange.com
  hinduism.stackexchange.com
  meta.hinduism.stackexchange.com
  communitybuilding.stackexchange.com
  moderator.stackexchange.com
  moderators.stackexchange.com
  meta.communitybuilding.stackexchange.com
  meta.moderators.stackexchange.com
  startups.stackexchange.com
  meta.startups.stackexchange.com
  worldbuilding.stackexchange.com
  meta.worldbuilding.stackexchange.com
  ja.stackoverflow.com
  jp.stackoverflow.com
  meta.ja.stackoverflow.com
  emacs.stackexchange.com
  meta.emacs.stackexchange.com
  hsm.stackexchange.com
  meta.hsm.stackexchange.com
  economics.stackexchange.com
  meta.economics.stackexchange.com
  lifehacks.stackexchange.com
  meta.lifehacks.stackexchange.com
  engineering.stackexchange.com
  meta.engineering.stackexchange.com
  coffee.stackexchange.com
  meta.coffee.stackexchange.com
  vi.stackexchange.com
  vim.stackexchange.com
  meta.vi.stackexchange.com
  musicfans.stackexchange.com
  meta.musicfans.stackexchange.com
  woodworking.stackexchange.com
  meta.woodworking.stackexchange.com
  civicrm.stackexchange.com
  meta.civicrm.stackexchange.com
  health.stackexchange.com
  meta.health.stackexchange.com
  ru.stackoverflow.com
  hashcode.ru
  stackoverflow.ru
  meta.ru.stackoverflow.com
  meta.hashcode.ru
  rus.stackexchange.com
  russ.hashcode.ru
  russ.stackexchange.com
  meta.rus.stackexchange.com
  mythology.stackexchange.com
  meta.mythology.stackexchange.com
  law.stackexchange.com
  meta.law.stackexchange.com
  opensource.stackexchange.com
  meta.opensource.stackexchange.com
  elementaryos.stackexchange.com
  meta.elementaryos.stackexchange.com
  portuguese.stackexchange.com
  meta.portuguese.stackexchange.com
  computergraphics.stackexchange.com
  meta.computergraphics.stackexchange.com
  hardwarerecs.stackexchange.com
  meta.hardwarerecs.stackexchange.com
  es.stackoverflow.com
  meta.es.stackoverflow.com
  3dprinting.stackexchange.com
  threedprinting.stackexchange.com
  meta.3dprinting.stackexchange.com
  ethereum.stackexchange.com
  meta.ethereum.stackexchange.com
  latin.stackexchange.com
  meta.latin.stackexchange.com
  languagelearning.stackexchange.com
  meta.languagelearning.stackexchange.com
  retrocomputing.stackexchange.com
  meta.retrocomputing.stackexchange.com
  crafts.stackexchange.com
  meta.crafts.stackexchange.com
  korean.stackexchange.com
  meta.korean.stackexchange.com
  monero.stackexchange.com
  meta.monero.stackexchange.com
  ai.stackexchange.com
  meta.ai.stackexchange.com
  esperanto.stackexchange.com
  meta.esperanto.stackexchange.com
  sitecore.stackexchange.com
  meta.sitecore.stackexchange.com
  

• page: ce sera soit la chaîne vide, /soit /suivie d'une chaîne

L'URL sera la chaîne créée par appending protocol, domainet pageà l'autre, dans cet ordre.

Cas de test

Votre expression régulière doit correspondre:

/codegolf//
http://retrocomputing.stackexchange.com
https://facebook.stackoverflow.com/questions/1234
http://meta.nothingtoinstall.com/thisisa404.php?file=command.com

Votre expression régulière ne doit pas correspondre:

http//codegolf.stackexchange.com/
https://meta.stackoverflow.com.fakesite.dodgy/cgi-bin/virus.cgi?vector=apt
file://www.stackoverflow.com/
http://ripoff.com/stackoverflow.com/q/1234/

Votre expression régulière peut correspondre à:

http://panda.stackexchange.com/
https://www.meta.codegolf.stackexchange.com
http://alpha.beta.charlie.delta.chiphacker.com
https://stackexchange.com/sites/

car ils appartiennent à Stack Exchange Inc. et ne seront donc pas vulnérables aux attaques XSS.

Il s'agit d'un défi de code-golf , donc l'expression régulière la plus courte l'emporte!

337 336 333 327 octets

^https?://([^/]+\.)*(stackoverflow\.(com(\.br)?|ru)|mathoverflow\.(com|net)|hashcode\.ru|((the)?arqade|chiphacker|(mi)?yodeya|ask(ubuntu|different|patents)|(seasoned|brew)advice|s(erverfault|(tack|keptic)exchange|uperuser|tackapps|harepointoverflow|ocialsounddesign)|nothingtoinstall|crossvalidated|basicallymoney)\.com)(/.*)?$

N'utilise pas de fonctionnalités regex fantaisie, donc il devrait fonctionner dans n'importe quelle saveur regex.

359 348 octets

https?:\/\/(([^/]+\.)*((stack(overflow|apps|exchange)|ask(ubuntu|different|patents)|(the)?arqade|serverfault|superuser|nothingtoinstall|(seasoned|brew)advice|crossvalidated|basicallymoney|chiphacker|skepticexchange|(sharepoint|math)overflow|(mi)?yodea|socialsounddesign)\.com)|(stackoverflow(\.com\.br|\.ru)|hashcode\.ru|mathoverflow\.net))(\/.*)?$

Testez-le sur regexr

2179 2092 1966 octets

https?:\/\/((((www|facebook|jp|(meta\.?)?(es|ru|ja|pt|br)?)\.)?stackoverflow\.com)|(stackoverflow\.(ru|com\.br))|(((russ|meta)\.)?hashcode\.ru)|(crossvalidated|socialsounddesign|mathoverflow|(mi\.?)?yodeya|(www\.)?(sharepointoverflow|basicallymoney)|skepticexchange|brewadvice|(www\.)?chiphacker|ask(different|ubuntu)|stackapps|(meta\.)?(nothingtoinstall|arqade|thearqade|seasonedadvice|superuser|serverfault|ask(ubuntu|patents)))\.com|((meta\.)?mathoverflow\.net)|(((meta\.)?((3|three)dprinting|(ask)?patents|(community|world)building|(econo|acade)mics|(it)?security|(reverse|network)?engineering|a(cademia|i|lcohol|ndroid|nime|pple|rduino|stronomy|viation|vp)|b((e|lend)er|i(cycles?|kes|ology|tcoin)|oardgames?|ricks|uddhism)|c(h(emistry|ess|inese|ristianity)|ivicrm|o(de(review|golf)|ffee|gsci|mputer(science|graphics)|oking)|r(aftcms|afts|ypto(graphy)?)|s(50)?|stheory)|d(ba|eutsch|iy|ranks|rupal|sp)|(earth|data)science|e(books|l(ectronics|ementaryos|l|u)|macs|nglish|spanol|speranto|thereum|xp(at(s|riates)|ressionengine))|f(antasy|itness|re(elancing|nch))|g(a(medev|ming|rage|rdening)|erman|enealogy|is|raphics?designs?|uitars?)|h(am|ealth|ermeneutics|induism|istory|omebrew(ing)?|sm)|(hard|soft)warerecs|islam|italian|j(apanese|oomla|udaism)|korean|l(a((ndscap|nguagelearn)ing|tin|w)|i(fehacks|nguist(ics)?|nux|))|m(a(gento|rtialarts|th(educators|ematica|ematics|s|overflow)?)|eta|echanics|o(derators?|nero|ney|vies)|usic(fans)?|ythology)|o(pen(data|source)|utdoors)|(cycl|parent|retrocomput)ing|p(ets|h(ilosophy|oto(graphy|s)?|ysics)|m|o(ker|litics|rtuguese)|roductivity|rogrammers?|uzzling)|quant|r(aspberrypi|obotics|pg|us(s|sian)?)|s(alesforce|ci(comp|encefiction|fi)|harepoint|ignals|itecore|keptics?|ound(design)?|p(ace|anish|orts)|qa|tartups|tat(s|istics)|ustainability)|t(ex|hefinalfrontier|or|ravel|ridion)|u(buntu|i|nix|x)|vi(deo|m)?|w(eb(apps|masters?)|indowsphone|o(odworking|rdpress|rkplace)|rit(ers?|ing))|(yodeya)))\.stackexchange\.com))(\/|$)

Correspond exactement aux domaines répertoriés et à rien d'autre. J'ai fait la plupart des compressions à la main. Je suis un peu gêné d'avoir passé autant de temps dessus.

142 140 334 octets

#^https?:\/\/([^\/]*\.)?(hashcode\.ru|mathoverflow\.(com|net)|stackoverflow\.(ru|com(\.br)?)|((stack|skeptic)exchange|stackapps|ask(different|patents|ubuntu)|(brew|seasoned)advice|(the)?arqade|basicallymoney|chiphacker|crossvalidated|nothingtoinstall|serverfault|sharepointoverflow|socialsounddesign|superuser|(mi)?yodeya)\.com)(/|$)#

• correspond à tout sur les domaines de deuxième niveau spécifiés, chemin ou pas de chemin
• utilise #comme délimiteur donc /n'a pas besoin de s'échapper (enregistré deux octets)
• compressé manuellement