BASIC FUNCTIONS
SECTION 5. 14
MID$
5.14.2 Function MID$ returns a substring of given length starting at the
given position. It may also be used as a statement.
Syntax
B$=MID$ (A$,X,[Y])
or
MID$ (A$,X, [Y]) = C$
Examples 10 A$= "ABCDEFGH"
20 PRil'IT MID$ (A$,3,4)
Prints CDEF
Remarks A$,X or Y may be expressions. If Y is omitted then all
characters to the right of the Xth character are returned.
In the above example:
VER.V09F
MID$ (A$, O, 3) = 'ABC'
MID$ (A$,20,5)
= null string
MID$ (A$,
7) =
1
GH'
When MID$ is used as a statement in the form:
MID$(A$ ,X [, Y] )=C$
its sets the part of A$ starting at the Xth character with
the substring C~ The optional parameter Y denotes the
length of the part of A$ to be replaced and if owitted
defaults to the length of C$.
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