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regexes update #363

Merged
merged 8 commits into from
Dec 14, 2018
Merged

regexes update #363

merged 8 commits into from
Dec 14, 2018

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commenthol
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Make the world a bit safer...

@@ -397,7 +397,7 @@ user_agent_parsers:

# HipChat provides a version on Mac, but not on Windows.
# Needs to be before Chrome on Windows, and AppleMail on Mac.
- regex: '(HipChat)/?(\d+)?'
- regex: '(HipChat)/?(\d+|)'

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Curious why add | become safer?

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Please see http://www.regular-expressions.info/catastrophic.html?wlr=1
(\d+)? nests repetition operators where (\d+|) avoids this

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2 participants