====== LEN ======

{{:en:mervis-ide:35-help:len.png}}

===== Function name =====

LEN

===== ST call =====

<code st-iec>
PROGRAM LEN_DEMO
   VAR
   STRING1: STRING;
    INT1: INT;
    END_VAR
    INT1:=LEN(IN:=STRING1);
END_PROGRAM
</code>

===== Description =====

Function returns length of a string.\\


===== Inputs =====

|Input|Type      |Description |
|IN   |ANY_STRING|Input string|

===== Outputs =====

|Output|Type   |Description  |
|=>    |ANY_INT|String length|

===== Application example =====

{{:en:mervis-ide:35-help:len_example.png}}