redis Keys delete

• Delete all keys from Redis matching a regular expression
• In redis, how do i remove keys?

vi testKeyDelRedis.sh
for key in `echo 'KEYS user:*' | redis-cli | awk '{print $1}'`
 do echo DEL $key
done | redis-cli

# 실행권한, 실행
chmod +x testKeyDelRedis.sh
./testKeyDelRedis.sh

redis-cli keys "user:*" | grep "user:[0-9]\+$" | xargs redis-cli DEL