Redis deletes keys in batches according to regular rules

Redis is an open source, advanced key-value store and a fit-for-purpose solution for building high-performance, scalable web applications.
Redis has three main features that make it superior to other key-value data storage systems:

1. Redis keeps its database completely in memory and only uses disk for persistence.
2. Compared with other key-value data stores, Redis has a relatively rich set of data types.
3.Redis can copy data to any number of slaves.

Redis currently does not support the command to delete keys in batches, but we sometimes need to delete keys that meet a certain rule. There are two ways:

1. Use redis-cli keys "PRO*" to get keys starting with PRO, and then use redis-cli del to delete these keys---too cumbersome, not recommended

2. Use redis-cli keys "PRO*" |xargs redis-cli del to delete once, it is convenient and will not be missed