Method expand

regex/src/re_bytes.rs:943–945

Expands all instances of `$name` in `replacement` to the corresponding capture group `name`, and writes them to the `dst` buffer given. `name` may be an integer corresponding to the index of the capture group (counted by order of opening parenthesis where `0` is the entire match) or it can be a name (consisting of letters, digits or underscores) corresponding to a named capture group. If `name`

(&self, replacement: &[u8], dst: &mut Vec<u8>)

    ///
    /// To write a literal `$` use `$$`.
    pub fn expand(&self, replacement: &[u8], dst: &mut Vec<u8>) {
        expand_bytes(self, replacement, dst)
    }

    /// Returns the number of captured groups.
    ///