Sourced from regexp_parser's changelog.

[2.11.0] - 2025-08-03 - Janosch Müller

Added

• a new token :escape, :utf8_hex and expression EscapeSequence::UTF8Hex
  • used for UTF-8 hex escapes, e.g. \xE2\x82\xAC representing U+20AC "€"

Fixed

• detection of numeric backrefs > 9, e.g. ((((((((((foo))))))))))\10
  • these are only backrefs in Ruby if sufficient groups have been opened
  • they were previously always scanned as octal or literal escapes

• 65c624d Release v2.11.0
• 61bfa63 Update years [ci skip]
• ed41743 Merge pull request #97 from ammar/fix-multidigit-backrefs
• aabcfb4 Remove broken README badge [ci skip]
• ecbedaa Fix scanning of multi-digit numerical backrefs
• 0a852b5 Merge pull request #95 from ammar/add-utf8-hex
• 355c6c3 Add utf8_hex token and expression ...
• 20d70a7 Run rubocop with correct TargetRubyVersion ...
• See full diff in compare view

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