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Chapter 15 Functions

15-59

MID$ (Function) [Conforms to SLIM]

Function

Extracts a character string for the designated number of characters from a

character string.

Format

MID$ (<character string >, <Start position>[, <Number of digits>])

Explanation

This statement extracts a character string for <Number of digits> from <Start

position> of <Character string>.

If the character string includes a NULL value, the NULL value is returned.

If a value longer than the character string is designated in <Number of digits>,

the whole character string is returned.

If <Number of digits> is ignored, or if the character string has fewer characters

than the number of digits designated, all characters after the start position are

returned.

If a value longer than the character string is designated in <Start position>, the

whole character string is returned.

Note: <Number of digits> is handled as byte counts.

Related Terms

LEN, LEFT$, RIGHT$

Example

DEFSTR ls1, ls2

ls1 = MID$( “abcdefg”, 2, 3 ) 'Assigns the character string “bcd” to ls1.

ls2 = MID$( ls1, 2, 2 ) '

Assigns the 2 digits from the second character of ls1 to

ls2.

1 2 ... 502 503 504 505 506 507 508 509 510 511 512 ... 691 692

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