<span style="font-family: monospace;">Arguments: 1: A string to compare
against...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2: ...this
string<br>
Returns:&nbsp;&nbsp;&nbsp;Returns $(true) if the two strings are not
the same<br>
</span>
<hr><b>strlen</b><br>
<br>
<span style="font-family: monospace;">Arguments: 1: A string<br>
Returns:&nbsp;&nbsp;&nbsp;Returns the length of the string<br>
</span>
<hr><b>substr</b><br>
<br>
<span style="font-family: monospace;">Arguments: 1: A string<b