The idea is having a set of entities on which one could reason better to implement more complex filters(regex) as well as debugging them. It is sort of a way of

The idea is having a set of entities on which one could reason better to implement more complex filters(regex) as well as debugging them. It is sort of a way of reasoning on filtering results it merely uses regex as an underlying tool. One could write the filter using crocs format, compile it to regex then use in their programs. Using crocs you sort of define your data type then apply functions on those data types to fetch your required output. The crocs framework is a way to give more power to your imagination and readability to others about what your imagination produces.