sed -i -E "s/еж([аиу][^а-я])/ёжик\1/g" *ru*
grep -E "еж[аиу][^а-я]" *ru*
Comment: [^а-я] includes all spaces and punctuation and also finish of string
pub type GearId = u16;
pub trait GearData {}
pub trait GearDataProcessor<T: GearData> {
fn add(&mut self, gear_id: GearId, gear_data: T);
}
pub trait GearDataAggregator<T: GearData> {
fn find_processor(&mut self) -> &mut GearDataProcessor<T>;
}