dfa-regex

Simple DFA Regex engine wirrten in Rust.

Example

#[test]
fn case01() {
    let regex = Regex::new(r"(p(erl|ython|hp)|ruby)").unwrap();
    assert!(regex.matches("python"));
    assert!(regex.matches("ruby"));
    assert!(regex.matches("perl"));
    assert!(!regex.matches("ruby2"));
    assert!(!regex.matches("java"));
    assert!(!regex.matches("VB"));
}

For more examples, please see tests/matches.rs

Supported Features

You can use Unicode characters such as a, A, あ.

• \: Escape character. e.g. \( \+
• |: OR operator. e.g. a|b
• *: Repeat more than 0. e.g. a*
• +: Repeat more than 1. e.g. a+
• ( and ): e.g. a(b|c)*