Word borders don't seem to be working with split

[ghost]

I expect this code:

fn main() {
    let re = Regex::new(r"\b").unwrap();
    let v: Vec<&str> = re.split("Should this (work?)").collect();
    println!("{:?}", v);
}

To output this:

["", "Should", " ", "this", " (", "work", "?)"]

But it outputs this:

["", "Should", " this", " ", "(work", "?", ")"]

Meta

rustc 1.8.0 (db2939409 2016-04-11)
binary: rustc
commit-hash: db2939409db26ab4904372c82492cd3488e4c44e
commit-date: 2016-04-11
host: x86_64-apple-darwin
release: 1.8.0

[BurntSushi]

This is indeed a bug. It turns out to be a bug in how \b is being matched, which in turn is related to the recent change that \b is now speculatively matched by the DFA, which is getting it wrong. Working on it now.

[BurntSushi]

Yup. I was totally mishandling how word boundaries were being computed for start states. A fix is in PR #211.