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  18 <!-- This is a (PRE) block.  Make sure it's left aligned or your toc title will be off. --> 
  19 <b>StrlenCommand: Contents
</b><br>  <a href=
"#STRLEN _key_ (Redis >">STRLEN _key_ (Redis 
></a><br>    <a href=
"#Return value">Return value
</a> 
  22                 <h1 class=
"wikiname">StrlenCommand
</h1> 
  29                     #sidebar 
<a href=
"StringCommandsSidebar.html">StringCommandsSidebar
</a><h1><a name=
"STRLEN _key_ (Redis >">STRLEN _key_ (Redis 
></a></h1> 2.1.8) =
 
  30 <i>Time complexity: O(
1)
</i><blockquote>Returns the length of the string stored at the specified 
<i>key
</i>.
</blockquote> 
  31 <h2><a name=
"Return value">Return value
</a></h2><a href=
"ReplyTypes.html">Integer reply
</a>, specifically: the length of the string.