rvar 0.1.2

extract_i18n
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[‼️]: ✏️README.mdt

# extract_i18n

```rust
use aok::{Result, OK};
use static_init::constructor;

#[constructor(0)]
extern "C" fn init() {
  loginit::init()
}

#[test]
fn test() -> Result<()> {
  let s = "12345${ I18N.doc } ${12345678}12${I18N.xxx}12";
  let r = rvar::extract(s);

  let r = rvar::replace(s, &r.range[..], |key| {
    dbg!(key);
    key[5..].into()
  });
  dbg!(r);
  OK
}
```