Fix a few regex inefficiencies #1326
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Explanations:
.*?$is the same as.*: Being lazy at the end is the same as being greedy.[^\-]is the same as[^-]: The-here cannot be considered a part of a range.user.(name|email)acts as a metacharacter.(?:(via)|(?:via (.*?))|(?: (.*?)))$is equivalent to(?:via$|via (.*)| (.*)).Consequently, a line below was changed from
.get(2).or_else(|| m.get(3))to.get(1).or_else(|| m.get(2)).