{"id":57645,"library":"fancy-regex","title":"fancy-regex","description":"An implementation of regexes, supporting a relatively rich set of features, including backreferences and look-around. Aims to be compatible with Oniguruma syntax when the relevant flag is set.","status":"active","version":"0.18.0","language":"rust","source_language":null,"source_url":"https://github.com/fancy-regex/fancy-regex","tags":["regex","backreferences","lookaround","pattern-matching"],"install":[{"cmd":"# Cargo.toml\n[dependencies]\nfancy-regex = \"0.18.0\"","lang":"toml","label":"Cargo.toml"},{"cmd":"cargo add fancy-regex","lang":"bash","label":"cargo add"}],"dependencies":[],"imports":[{"symbol":"Regex","correct":"use fancy_regex::Regex;"}],"quickstart":{"code":"use fancy_regex::Regex;\n\nfn main() -> Result<(), Box<dyn std::error::Error>> {\n    let re = Regex::new(r\"(?i)hello\")?;\n    let result = re.is_match(\"Hello, world!\")?;\n    println!(\"Match: {}\", result);\n    Ok(())\n}","lang":"rust","description":"Match a case-insensitive pattern using fancy-regex."},"warnings":[{"fix":"Use the regex crate for simple patterns without backreferences or look-around.","message":"Performance may be slower than regex crate for simple patterns","severity":"gotcha","affected_versions":"*"}],"env_vars":null,"search_vec":"'aim':21 'around':20 'backrefer':16,35 'compat':24 'fanci':2 'fancy-regex':1 'featur':14 'flag':31 'implement':5 'includ':15 'look':19 'look-around':18 'lookaround':36 'match':39 'oniguruma':26 'pattern':38 'pattern-match':37 'regex':3,7,34 'relat':10 'relev':30 'rich':11 'set':12,33 'support':8 'syntax':27","created_at":"2026-06-16T15:51:54.693496+00:00","updated_at":"2026-06-16T15:51:54.693496+00:00","problems":[],"ecosystem":"crates","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"https://github.com/fancy-regex/fancy-regex","github":"https://github.com/fancy-regex/fancy-regex","docs":"https://docs.rs/fancy-regex/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["utility"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-16","next_check":"2026-12-13","install_tag":null}}