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google/re2

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RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library.

51 mentions on Hacker News by 41 people: 7 stories, 44 comments · first 2015-06-04 · latest 2024-09-05

Mentions per year 51 mentions · busiest year 2019 (9)
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  1. If you take regex as user input, you should use RE2: https://github.com/google/re2 Even without this vulnerability, some regexes can be painfully slow.
    comment by jakozaur · 2015-06-04 · in PCRE Heap Overflow in Regex Processing Lets Users Execute Arbitrary Code