Method len

regex/src/re_trait.rs:48–50

Returns the total number of capturing groups. This is always at least `1` since every regex has at least `1` capturing group that corresponds to the entire match.

(&self)

    /// This is always at least `1` since every regex has at least `1`
    /// capturing group that corresponds to the entire match.
    pub fn len(&self) -> usize {
        self.0.len() / 2
    }

    /// Return the individual slots as a slice.
    pub(crate) fn as_slots(&mut self) -> &mut [Slot] {