File: trim

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<h3>trim() function</h3>
Removes all leading and trailing whitespace (spaces, tabs, etc) from a string.

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

<p><h4>Arguments</h4>
<!-- List args for functions here-->
<i>  string</i> &rarr; is string. The string to trim.</p>

<p><h4>Example</h4>
<!-- Show example of function.-->
     trim('   hello world    ') &rarr; 'hello world'</p>