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a prefilter should only be constructed if we know we'll use it

Status: Open.

#1311 In rust-lang/regex;

· BurntSushi opened on Oct 30, 2025

fix runaway generation of literals for case insensitive regexes

bug

Status: Open.

#1310 In rust-lang/regex;

· BurntSushi opened on Oct 30, 2025

investigate optimizations for patterns like <code>(?m)^\w+$</code>

enhancement

Status: Open.

#1301 In rust-lang/regex;

· BurntSushi opened on Oct 7, 2025

Feature: Iterator over matching and non-matching parts of a haystack

Status: Open.

#1296 In rust-lang/regex;

· LunarLambda opened on Sep 22, 2025

Linear Time Lookaround

Status: Open.

#1273 In rust-lang/regex;

· nyarly opened on Jun 26, 2025

regex-syntax: some way to retain the AST Span of some punctuation marks?

Status: Open.

#1271 In rust-lang/regex;

· kennytm opened on Jun 13, 2025

Detected assertion fails and index out of bounds panic during fuzz testing

Status: Open.

#1265 In rust-lang/regex;

· 0x64617061 opened on May 13, 2025

add hint about <code>starts_for_each_pattern</code> to <code>regex_automata::MatchErrorKind::UnsupportedAnchored</code> documentation

doc

Status: Open.

#1262 In rust-lang/regex;

· BurntSushi opened on Apr 28, 2025

feature request: Add <code>impl TryFrom&lt;Arc&lt;str&gt;&gt; for Regex</code>

enhancement

Status: Open.

#1257 In rust-lang/regex;

· al8n opened on Apr 4, 2025

Add <code>regex::Regex::get_config</code>

question

Status: Open.

#1250 In rust-lang/regex;

· demurgos opened on Jan 16, 2025

Make MAX_POOL_STACKS a runtime configurable parameter

enhancement

help wanted

Status: Open.

#1241 In rust-lang/regex;

· fbryden opened on Nov 13, 2024

doc clarification: confusing match behavior for non-existent ASCII character classes

doc

Status: Open.

#1234 In rust-lang/regex;

· dawnofmidnight opened on Oct 27, 2024