Delete all keys matching prefix from Redis

I sometimes use redis as an application level caching tier. Occassionally I want to flush the cache by deleting all entries where the key has a certain prefix

• Stackoverflow

docker exec -it redis \
redis-cli EVAL "for i, name in ipairs(redis.call('KEYS', ARGV[1])) do redis.call('DEL', name); end" 0 gils*