Mitsubishi A1SD51S, Руководство по программированию

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MELSEC-Q
11 INSTRUCTIONS AND FUNCTIONS
KINSTR
Function
Kanji INSTRing
• Searches through a character string containing full-byte characters for the specified
character string and displays the first location in which it is found.
KINSTR ([ <arithmetic expression > ,] <character string expression 1>, < character string
expression 2> )
arithmetic expression • • • • Specify the location to start searching the character
string.
character string expression 1 • • • • Specify the target character string.
Syntax
character string expression 2 • • • • Specify the character string to be searched.
J=KINSTR(3, A$, “NAGOYA”) • • • • Searches the character string “NAGOYA” from the
third character of A$, and assigns the location if
found or assigns 0 if not found to J.
Examples
A$
A$
@460@@@@@@@@@5- 14
@100@
@
@@@@
@@@@2 2- 3
-
1 2 3 4 5 6 7 8
Search range
J 5
J 0
• The KINSTR function searches <character string expression 2> in <character string
expression 1>, then returns the location of the first match if found or returns 0 if not found.
• The KINSTR function processes full-byte characters (Kanji) as one character.
• <Numeric expression> specifies the search starting position. If omitted, the search will be
performed from the beginning of <character string expression 1>. If the value is greater
than <character expression 1>, the KINSTR function will return "0."
Description
• If <character string expression 2> is an empty character string, the KINSTR function will
return the same value as <numeric expression>.