使用jQuery在单独的无序列表中查找具有匹配类名的列表项

I have two unordered lists, each filled with list items that have a DYNAMIC class name. When I say "dynamic" I mean they are not generated by me, but they don't change once the lists have been created. These class names are id's I'm getting from an API, so they're just random numbers. A simple example would be something like...I have two unordered lists, each filled with li