<h3>length() function</h3>
Returns the length of a string.

<p><h4>Syntax</h4>
     length(<i>string</i>)</p>

<p><h4>Arguments</h4>
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<i>  string</i> &rarr; is string.  The String to count the length of.</p>

<p><h4>Example</h4>
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     length('HELLO') &rarr; 5</p>
