# ListTidy

Removes leading, trailing and duplicated occurrences of the given separator.

<table><thead><tr><th width="189">Expression</th><th>Databox Value</th><th width="186">Result</th></tr></thead><tbody><tr><td><code>ListTidy(";")</code></td><td>;B;;D;</td><td>B;D</td></tr><tr><td><code>ListTidy(",")</code></td><td>,Actinolite,Amosite,Anthophyllite,,</td><td>Actinolite,Amosite,Anthophyllite</td></tr></tbody></table>