Added

• Add an "oniguruma mode" flag to control whether \< and \> are treated as literals or word-boundary assertions. (#186)
• Add support for const-size backrefs in lookbehinds. (#182)

Changed

• A few small internal changes which allowed us to expose a web-based playground for fancy-regex. (#181)

Fixed

• Fix behavior of repetition on an empty match. (#179)
• Always return the original input pattern when as_str is called. (#185)
• Fix panic when matching non-ascii text as part of a case insensitive backref. (#189)
• The toy example wasn't always showing the correct analysis or compiled program when optimizations were applied. (#181)