{"action":"created","issue":{"url":"https://api.github.com/repos/reactjs/react-router/issues/3217","repository_url":"https://api.github.com/repos/reactjs/react-router","labels_url":"https://api.github.com/repos/reactjs/react-router/issues/3217/labels{/name}","comments_url":"https://api.github.com/repos/reactjs/react-router/issues/3217/comments","events_url":"https://api.github.com/repos/reactjs/react-router/issues/3217/events","html_url":"https://github.com/reactjs/react-router/pull/3217","id":142458661,"number":3217,"title":"Speed up pattern matching","user":{"login":"taion","id":3112159,"avatar_url":"https://avatars.githubusercontent.com/u/3112159?v=3","gravatar_id":"","url":"https://api.github.com/users/taion","html_url":"https://github.com/taion","followers_url":"https://api.github.com/users/taion/followers","following_url":"https://api.github.com/users/taion/following{/other_user}","gists_url":"https://api.github.com/users/taion/gists{/gist_id}","starred_url":"https://api.github.com/users/taion/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/taion/subscriptions","organizations_url":"https://api.github.com/users/taion/orgs","repos_url":"https://api.github.com/users/taion/repos","events_url":"https://api.github.com/users/taion/events{/privacy}","received_events_url":"https://api.github.com/users/taion/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":14,"created_at":"2016-03-21T20:20:04Z","updated_at":"2016-03-21T23:02:41Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/reactjs/react-router/pulls/3217","html_url":"https://github.com/reactjs/react-router/pull/3217","diff_url":"https://github.com/reactjs/react-router/pull/3217.diff","patch_url":"https://github.com/reactjs/react-router/pull/3217.patch"},"body":"Fixes https://github.com/reactjs/react-router/issues/3215"},"comment":{"url":"https://api.github.com/repos/reactjs/react-router/issues/comments/199526174","html_url":"https://github.com/reactjs/react-router/pull/3217#issuecomment-199526174","issue_url":"https://api.github.com/repos/reactjs/react-router/issues/3217","id":199526174,"user":{"login":"timdorr","id":17882,"avatar_url":"https://avatars.githubusercontent.com/u/17882?v=3","gravatar_id":"","url":"https://api.github.com/users/timdorr","html_url":"https://github.com/timdorr","followers_url":"https://api.github.com/users/timdorr/followers","following_url":"https://api.github.com/users/timdorr/following{/other_user}","gists_url":"https://api.github.com/users/timdorr/gists{/gist_id}","starred_url":"https://api.github.com/users/timdorr/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/timdorr/subscriptions","organizations_url":"https://api.github.com/users/timdorr/orgs","repos_url":"https://api.github.com/users/timdorr/repos","events_url":"https://api.github.com/users/timdorr/events{/privacy}","received_events_url":"https://api.github.com/users/timdorr/received_events","type":"User","site_admin":false},"created_at":"2016-03-21T23:02:41Z","updated_at":"2016-03-21T23:02:41Z","body":"Well, that line is gone in the final diff. I think it's mainly that we don't double-add a `(.*?)` on there now, unless I'm missing something. That combined with the end of line anchor would seem to be a pretty painfully slow regex, I think.\r\n\r\nI'm wondering if we should add some tests for `_compilePattern` to make sure the regex's being built are coming out as expected."}}