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11 INSTRUCTIONS AND FUNCTIONS
MID$ (Part 1)
Function
• Replaces a section of a character string with another character string.
MID$( <character string expression 1> , <integer expression 1> [, <integer expression 2> ] )
Syntax
= <character string expression 2>
character string expression 1
character string expression 2
integer expression 1
integer expression 2
MID$(A$,2)="AB"
Examples
• The MID$ (Part 1) function replaces a section of a character string with another character
Description
string.
• If <integer expression 2> is omitted, the entire string will be replaced. The character string
cannot exceed the size of <character string expression 1> even if <integer expression 2>
is not specified.
• The value of <integer expression 1> cannot exceed the number of characters of <character
string expression 1>. Also, a value that is 0 or less cannot be specified.
• An empty character string cannot be specified for <character string 1>.
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MIDdle $
• • • •
Specify the character string or character string
variable to be replaced.
• • • •
Specify the character string or character string
variable that will do the replacing.
• • • •
Specify the starting position of the character string to
be replaced.
• • • •
Specify the number of characters that will do the
replacing.
• • • •
Characters in A$ starting with the second character
are replaced with "AB."
A$= "CDEF"
C
D
E
F
C
A
B
D
E
F
C
A
MELSEC-Q
B
F
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