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969d0c3e8d
Summary: Via HackerOne. In regular expressions, "$" matches "end of input, or before terminating newline". This means that the expression `/^A$/` matches two strings: `"A"`, and `"A\n"`. When we care about this, use `\z` instead, which matches "end of input" only. This allowed registration of `"username\n"` and similar. Test Plan: - Grepped codebase for all calls to `preg_match()` / `preg_match_all()`. - Fixed the ones where this seemed like it could have an impact. - Added and executed unit tests. Reviewers: btrahan Reviewed By: btrahan Subscribers: aran, epriestley Differential Revision: https://secure.phabricator.com/D8516 |
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| garbagecollector | ||
| lipsum | ||
| phid | ||
| query | ||
| remarkup | ||
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