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go-onigmo Test

go-onigmo is a drop-in replacement of the regexp package from the Go standard library. Onigmo is the default regexp library in Ruby 2.0.

As differentiation factor from many other oniguruma or onigmo wrappers we follow the next goals:

  • Be thread-safe; this library has been tested in high concurrency environments.
  • Implement the same interface that regexp.Regexp does; all the method from it has been implemented. With small exceptions.
  • Implement the same behavior of regexp.Regexp`; this library is tested against the test suite from the standard library. All tests pass with some exceptions.
  • Provide easy mechanic to enable/disable this functionally, and avoid to force all the dependant library to install always the dependencies.

Limitations

The goals of this package are to archive full compatibility with the standard library. Still, due to the limitation of onigmo, and the uniqueness of the Go implementation some times is hard.

These are the mismatches between this library and the standard library regexp package: :

  • Regexp.LiteralPrefix it's not implemented.
  • Expressions with duplicate named aren't supported. (?P<x>hi)|(?P<x>bye)
  • Nested repetition operators are supported, such as a** or a*+.

Install

# linux (debian/ubuntu/...)
sudo apt-get install libonig-dev

# osx (homebrew)
brew install oniguruma

go get github.com/go-enry/go-oniguruma

Attributions

This project it's based on the work of Zhigang Chen [email protected].

License

Apache License Version 2.0, see LICENSE