====== StrTrim ======

Function return the text with trimmed out leading and trailing whitespaces. 

<code pcmi>
StrTrim(string [, flag])
</code>
|< 100% 15% >|
|**string**|Source string.|
|**flag**|Operation type:\\ \\ 1 - trimming leftmost whitespaces \\ 2 - trimming rightmost whitespaces \\ 3 - (default) trimming both.\\ \\ |

**Remarks**

Whitespaces are trimmed: Space, Tab, Carriage return, Linefeed.