# cpp_regexp

cpp std::regex
- [x] test
- [x] replace
- [x] match
- [x] match_all
```rust
    use cpp_regexp::{RegExp,Config};
    assert!(RegExp::new("^hello$",Default::default()).unwrap().test("hello").unwrap());
    let match_results = RegExp::new("^(he)(ll)(o)$",Default::default()).unwrap().regex_match("hello").unwrap();
    assert!(match_results==["hello","he","ll","o"]);
    let hello2 = "hello".repeat(2);
    let match_all_results = RegExp::new("(he)(ll)(o)",Default::default()).unwrap().match_all(&hello2).unwrap();
    assert!(match_all_results[0]==["hello","he","ll","o"]);
    assert!(match_all_results.len()==2);
    assert!(match_all_results.iter().collect::<Vec<_>>()==[["hello","he","ll","o"],["hello","he","ll","o"]]);
    let config = Config{
        icase:true,
        //UTF-8 only
        locale:"es_US.UTF-8",
        ..Default::default()
    };
    let mut regex = RegExp::new("hello♥",config).unwrap();
    assert!(regex.test("hellO♥").unwrap());
    assert!(RegExp::new("^(((hello$",config).is_err());
    assert!(regex.replace("hello♥ world","good").unwrap()=="good world");
    let config_es = Config{
        icase:true,
        locale:"es_ES.UTF-8",
        ..Default::default()
    };
    let mut regex = RegExp::new("ñ",config_es).unwrap();
    //not single character
    assert!(regex.test("Ñ").unwrap()==false);
```

License: MIT OR Apache-2.0