Refactor regex syntax, add end-of-input and "any character" regexes

osa1 / lexgen

A fully-featured lexer generator, implemented as a proc macro

MIT License

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Closed osa1 closed 2 years ago

osa1 commented 2 years ago

Remove _ as special left-hand side syntax for matching any character not matched by any of the other rules.
Add _ as regex syntax for matching any character
Add $ as reges syntax for matching end-of-input

Fixes #13