STRLEN

This page documents the preview (v2.21) version. Preview includes features under active development and is for development and testing only. For production, use the stable (v2024.1) version.

Synopsis

STRLEN key

This command finds the length of the string value that is associated with the given key.

  • If key is associated with a non-string value, an error is raised.
  • If key does not exist, 0 is returned.

Return value

Returns length of the specified string.

Examples

$ SET yugakey "string value"
"OK"
$ STRLEN yugakey
12
$ STRLEN undefined_key
0

See also

append, get, getrange, getset, incr, incrby, set, setrange