WDELETE

The function WDELETE deletes part of a WSTRING from a certain point. The input STR is of type WSTRING. LEN and POS are of type INT. The return value of the function is of type WSTRING.
WDELETE (STR, LEN, POS) means: Delete LEN characters from STR beginning with the POSth character.

VAR_INPUT
    STR1 : WSTRING(255);
    LEN  : INT; 
    POS  : INT;
END_VAR

LD “SUXYSI“
WDELETE 2,3
ST Var1 (*Result is “SUSI“*)

Var1 := WDELETE (“SUXYSI“,2,3);