google/re2

View on GitHub

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.

Stars: 9.8k
Forks: 1.2k
Open beginner issues: 0
Indexed issues: 31

Dominant language: C++
License: BSD-3-Clause
Last GitHub push: Jan 22, 2026
Latest indexed: Sep 16, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

Open All

31 open issues indexed

Python typestubs Open

help wanted

google/re2#496 · 14 comments · 3 reactions · 0 assignees · Indexed Sep 16, 2026
Lock contention when re2:RE2 object is shared between threads Open

google/re2#569 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 16, 2026
pip install from git missing pybind11/buffer_info.h Open

google/re2#581 · 7 comments · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Bounded Lookaround Implementation - Proof of Concept Open

google/re2#585 · 1 comment · 4 reactions · 0 assignees · Indexed Sep 16, 2026
Provide musl linux python wheels Open

google/re2#587 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Null-deref in RE2 DFA/hash-set teardown triggered by extremely small max_mem option Open

google/re2#589 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Hexadecimal ints not handled? Open

google/re2#593 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
When using the re2 Python bindings, replacing the anchor "$" with re2.subn inserts the replacement twice Open

google/re2#595 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 16, 2026
Segfault in RE2 compiler when compiling a crafted regex Open

google/re2#596 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
T Open

google/re2#598 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
https://github.com/google/re2.wiki.git Open

google/re2#600 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Python FR: Add support for Python 3.14 free-threaded mode Open

google/re2#602 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
GlobalReplace with patterns ending in .*$ scans entire input through BitState unnecessarily Open

google/re2#605 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
aredbera Open

google/re2#606 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Morgan Ketzner ™® Open

google/re2#608 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Bug: Workq::mark() sets last_was_mark_ to false instead of true Open

google/re2#611 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Bug: FilteredRE2::AllMatches and AllPotentials missing compiled_ check Open

google/re2#613 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Bug: Self-move-assignment in RE2::Set and FilteredRE2 causes use-after-destroy Open

google/re2#615 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
doc: document repeat limit for nested repetitions Open

google/re2#617 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
CONTRIBUTING: document the 'sam' tool Open

google/re2#618 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Afyasmart backend Open

google/re2#620 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
roobes.xoxdev Open

google/re2#622 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
[Windows][MSVC] Failed to build Google_RE2 with error C2665: 'absl::lts_20250127::MutexLock::MutexLock': no overloaded function could convert all the argument types Open

google/re2#628 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Install fail on node 26 Open

google/re2#629 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Abseil LTS 20260107 deprecates MutexLock(Mutex*) and bare Mutex::ReaderLock() / WriterLock() / *Unlock() — used in re2/dfa.cc Open

google/re2#631 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
re2.h is totally unreadable, so "Please see re2.h for [flags] documentation" is a useless statement Open

google/re2#633 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
proposal: support the `x` flag Open

google/re2#638 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
bestmod breaking Open

google/re2#642 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Python 3.15, MacOS build error Open

google/re2#647 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
setup.py: setuptools fallback does not link abseil when building against static libre2.a Open

google/re2#651 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Google Open

google/re2#660 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026

google/re2

Get new issues in your inbox