onigurumacffi

python cffi bindings for the oniguruma regex engine

installation

pip install onigurumacffi

wheels should be available on pypi in most cases
to build from source, libonig-dev must be installed prior to installation

api

the api is currently very limited (basically just enough to support what I
needed).

`compile(pattern: str) -> _Pattern`

make a compiled pattern

`compile_regset(*patterns: str) -> _RegSet`

make a compiled RegSet

`OnigSearchOption`

an enum listing the search-time options for oniguruma

the current set of options are:

class OnigSearchOption(enum.IntEnum):
    NONE = ...
    NOTBOL = ...
    NOTEOL = ...
    POSIX_REGION = ...
    CHECK_VALIDITY_OF_STRING = ...
    NOT_BEGIN_STRING = ...
    NOT_BEGIN_POSITION = ...

`_Pattern.match(s: str, start: int = 0, flags: OnigSearchOption = OnigSearchOption.NONE) -> Optional[_Match]`

match a string using the pattern. optionally set start to adjust the offset
which is searched from

`_Pattern.search(s: str, start: int = 0, flags: OnigSearchOption = OnigSearchOption.NONE) -> Optional[_Match]`

search a string using the pattern. optionally set start to adjust the offset
which is searched from

`_Pattern.number_of_captures() -> int`

return the number of captures in the regex

`_RegSet.search(s: str, start: int = 0, flags: OnigSearchOption = OnigSearchOption.NONE) -> Tuple[int, Optional[_Match]]`

search a string using the RegSet. optionally set start to adjust the offset
which is searched from

the leftmost regex index and match is returned or (-1, None) if there is no
match

`_Match.group(n: int = 0) -> str`

return the string of the matched group, defaults to 0 (the whole match)

`_Match[n: int] -> str`

a shorthand alias for _Match.group(...)

`_Match.start(n: int = 0) -> int`

return the character position of the start of the matched group, defaults to 0
(the whole match)

`_Match.end(n: int = 0) -> int`

return the character position of the end of the matched group, defaults to 0
(the whole match)

`_Match.span(n: int = 0) -> int`

return (start, end) character position of the matched group, defaults to 0
(the whole match)

`_Match.expand(s: str) -> str`

expand numeric groups in s via the groups in the match

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onigurumacffi

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