Search For Character String From Specified Position - Mitsubishi MELSEC-q Programming Manual

6 IEC FUNCTIONS

6.10.9 Search for character string from specified position

The specified character string is searched for the specified character string.
Function definition
Function definition
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INT FIND( STRING S1, STRING S2 );
Argument
Argument Name IN/OUT
S1 IN
S2 IN
Return value
Return Value
INT Position where character string is found first (BIN 16-bit data)
Remarks: This function cannot be used with the Basic model QCPU.
If the character string is not found, the return value turns to 0.
Example of use
Argument Type
STRING w_Word1:=
FIND(w_Str1,w_Str2);
BOOL FIND_E( BOOL EN, STRING S1, STRING S2, INT D1 );
Argument
Argument Name IN/OUT
EN IN
S1 IN
S2 IN
D1 OUT
Remarks: If the character string is not found, the return value turns to 0.
Return value
Return Value
BOOL Execution condition
Example of use
(* When execution condition X0 turns ON, the character string data in sData1 is
(* searched for the character string data in sData2, and the position where the
(* character string is found first is stored into Result.
M0 := FIND_E( X0, sData1, sData2, Result ) ;
FIND
FIND_E
Character string to be searched (character string data)
Character string to be searched for (character string data)
ST Program Conversion Result
LD
INSTR
Execution condition (Function is executed only when the result is TRUE)
Character string to be searched (character string data)
Character string to be searched for (character string data)
Position where character string is found first (BIN 16-bit data)
Description
Description
Used Instruction
SM400 LD,INSTR
w_Str2 w_Str1
w_Word1 K1
Description
Description
*)
*)
*)
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