QGIS/resources/function_help/wordwrap

<h3>wordwrap() function</h3>
Returns a string wrapped to a maximum/minimum number of characters.

<p><h4>Syntax</h4>
     wordwrap(<i>string,wrap_length[,delimiter_string]</i>)</p>

<p><h4>Arguments</h4>
<!-- List args for functions here-->
<i>  string</i> &rarr; is string.  The string to be wrapped.<br>
<i>  wrap_length</i> &rarr; is number.  If positive, the number represents the ideal maximum number of characters to wrap; if negative, the number represents the minimum number of characters to wrap.<br>
<i>  delimiter_string</i> &rarr; is string.  The delimiter string to wrap to a new line (<u>optional</u>).<br></p>

<p><h4>Example</h4>
<!-- Show example of function.-->
     wordwrap('UNIVERSITY OF QGIS',13) &rarr; 'UNIVERSITY OF\nQGIS'<br>
     wordwrap('UNIVERSITY OF QGIS',-3) &rarr; 'UNIVERSITY\nOF QGIS'</p>