Issues

• Folded literal factored with its case-sensitive twin: (?i:Z)x|Z matches "z"

  google/re2j#211 · Filter by author jemmix opened on Sep 17, 2026

• Pattern "\uDC21"` matches inside a surrogate pair; equivalent classes don't

  google/re2j#207 · Filter by author jemmix opened on Sep 11, 2026

• Behaviour of calling Matcher#end after the last match doesn't match java.util.regex

  google/re2j#201 · Filter by author cushon opened on Apr 28, 2026

• Behaviour of calling matches() and then find() doesn't match java.util.regex

  google/re2j#200 · Filter by author cushon opened on Apr 10, 2026

• Asymmetric behavior for case-insensitive matches

  google/re2j#198 · Filter by author raipc opened on Apr 9, 2026
  1

• Behaviour of Matcher#split doesn't match java.util.regex

  google/re2j#197 · Filter by author cushon opened on Apr 9, 2026

• appendReplacement doesn't throw for invalid replacement groups

  google/re2j#196 · Filter by author cushon opened on Apr 8, 2026

• scala-native dependency: bugs, inefficiencies, refactors

  google/re2j#187 · Filter by author kitbellew opened on Nov 21, 2025

• scala-native dependency: support regions

  google/re2j#186 · Filter by author kitbellew opened on Nov 21, 2025
  1

• some doubt: Is re2 really linear time ?

  google/re2j#185 · Filter by author YoungShrank opened on Sep 22, 2025

• Version 1.8 does not work for GWT anymore

  google/re2j#182 · Filter by author lgemeinhardt opened on Jan 28, 2025

• Resolve regex groups when performing match opertion in one pass.

  google/re2j#179 · Filter by author suhothayan opened on Nov 26, 2024

• Make the library a java module

  google/re2j#176 · Filter by author MrKuip opened on Jun 14, 2024
  1

• What about a new release?

  google/re2j#175 · Filter by author panthony opened on Feb 14, 2024
  1

• Infinite loop in Pattern#compile on certain case-insensitive patterns

  google/re2j#168 · Filter by author fmeum opened on Aug 24, 2023
  15

• Re2j runs 5x slower than java.util.regex

  google/re2j#162 · Filter by author YuyuZha0 opened on Nov 17, 2022
  1

• RFC on unicode tables management

  google/re2j#161 · Filter by author kidi opened on Sep 30, 2022

• OSS-Fuzz integration

  google/re2j#135 · Filter by author fmeum opened on Apr 11, 2021
  2

• \C not implemented

  google/re2j#133 · Filter by author steveniemitz opened on Mar 22, 2021

• Unused Field

  google/re2j#124 · Filter by author QiAnXinCodeSafe opened on Nov 26, 2020

• LICENSE selection is mildly unclear

  google/re2j#122 · Filter by author DarthHater opened on Nov 2, 2020
  1

• \b does not behave like it does with java.util.regex.Pattern

  google/re2j#116 · Filter by author mykeul opened on Jun 10, 2020
  6

• StackOverflowError for Machine.add

  google/re2j#77 · Filter by author l0rinc opened on Oct 6, 2018
  2

• Few minor bugs

  google/re2j#19 · Filter by author jpaulynice opened on Feb 19, 2016
  2

• Future work

  google/re2j#17 · Filter by author sopel39 opened on Nov 27, 2015
  14