rustpython-sre_engine 0.5.0

A low-level implementation of Python's SRE regex engine
Documentation 
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#![no_std]

extern crate alloc;

pub mod constants;
pub mod engine;
pub mod string;

pub use constants::{SRE_MAGIC, SreAtCode, SreCatCode, SreFlag, SreInfo, SreOpcode};
pub use engine::{Request, SearchIter, State};
pub use string::{StrDrive, StringCursor};

pub const CODESIZE: usize = 4;

#[cfg(target_pointer_width = "32")]
pub const MAXREPEAT: usize = usize::MAX - 1;
#[cfg(target_pointer_width = "64")]
pub const MAXREPEAT: usize = u32::MAX as usize;

#[cfg(target_pointer_width = "32")]
pub const MAXGROUPS: usize = MAXREPEAT / 4 / 2;
#[cfg(target_pointer_width = "64")]
pub const MAXGROUPS: usize = MAXREPEAT / 2;