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Zero quantifier triggering non fixed width lookbehind error when within nested lookahead

bug

pcre/php

waiting info

Status: Open.

#2649 In firasdib/Regex101;

· crunci1913 opened on May 25, 2026

Unescaped hyphens are wrongly triggering error messages (Javascript flavor)

bug

javascript

Status: Open.

#2648 In firasdib/Regex101;

· rdwebdesign opened on May 19, 2026

Incorrect This token cannot be used with the selected delimiter in Rust regex for escaped double quote

bug

Status: Open.

#2646 In firasdib/Regex101;

· Kuuuube opened on May 15, 2026

Using 'Save & Share' Crashes Site

bug

Status: Open.

#2645 In firasdib/Regex101;

· willdave865 opened on May 15, 2026

Shown incorrect matching information in .NET

.net

bug

Status: Open.

#2640 In firasdib/Regex101;

· longxya opened on May 8, 2026

Wrong explanation for octal escape char(such as \516) in different regex engines such as .NET and PCRE

bug

Status: Open.

#2639 In firasdib/Regex101;

· longxya opened on May 8, 2026

python 出现问题 显示：Unable to initialize the regex engine! Please try to reload the web page. If the issue persists, please open an issue here: https://github.com/firasdib/Regex101/issues

bug

waiting info

Status: Open.

#2638 In firasdib/Regex101;

· elaina2024102702-oss opened on May 7, 2026

Export Options greyed out when Plain Text selected

bug

Status: Open.

#2636 In firasdib/Regex101;

· nz-dev opened on May 6, 2026

feature request: Remember Sign-in

enhancement

Status: Open.

#2635 In firasdib/Regex101;

· hugo9655 opened on May 5, 2026

FireFox browser renders main page with some weighted fonts too light to read

bug

Status: Open.

#2628 In firasdib/Regex101;

· sln-rxf opened on Apr 16, 2026

Regex Input Box - Drag to resize

enhancement

UX

Status: Open.

#2614 In firasdib/Regex101;

· Sam-Jayes opened on Mar 12, 2026

UX Improvement - Highlight Colours

accessibilityColors, font type/size, shortcuts, keyboard navigation and so onColors, font type/size, shortcuts, keyboard navigation and so on

UX

Status: Open.

#2613 In firasdib/Regex101;

· Sam-Jayes opened on Mar 12, 2026