Redis Strings Commands

1	SET key value
This command sets the value at the specified key.

2	GET key
Gets the value of a key.

3	GETRANGE key start end
Gets a substring of the string stored at a key.

4	GETSET key value
Sets the string value of a key and return its old value.

5	GETBIT key offset
Returns the bit value at the offset in the string value stored at the key.

6	MGET key1 [key2..]
Gets the values of all the given keys

7	SETBIT key offset value
Sets or clears the bit at the offset in the string value stored at the key

8	SETEX key seconds value
Sets the value with the expiry of a key

9	SETNX key value
Sets the value of a key, only if the key does not exist

10	SETRANGE key offset value
Overwrites the part of a string at the key starting at the specified offset

11	STRLEN key
Gets the length of the value stored in a key

12	MSET key value [key value ...]
Sets multiple keys to multiple values

13	MSETNX key value [key value ...]
Sets multiple keys to multiple values, only if none of the keys exist

14	PSETEX key milliseconds value
Sets the value and expiration in milliseconds of a key

15	INCR key
Increments the integer value of a key by one

16	INCRBY key increment
Increments the integer value of a key by the given amount

17	INCRBYFLOAT key increment
Increments the float value of a key by the given amount

18	DECR key
Decrements the integer value of a key by one

19	DECRBY key decrement
Decrements the integer value of a key by the given number

20	APPEND key value
Appends a value to a key