CST2601 Visual Basic I
Notes on Mid statement

Mid Statement

Replaces a specified number of characters in a Variant (String) variable with characters from another string.

Syntax

Mid(stringvar, start[, length]) = string

The Mid statement syntax has these parts:

Part	Description
stringvar	Required. Name of string variable to modify.
start	Required; Variant (Long). Character position in stringvar where the replacement of text begins.
length	Optional; Variant (Long). Number of characters to replace. If omitted, all of string is used.
string	Required. String expression that replaces part of stringvar.

Remarks

The number of characters replaced is always less than or equal to the number of characters in stringvar.

Note Use the MidB statement with byte data contained in a string. In the MidB statement, start specifies the byte position within stringvar where replacement begins and length specifies the numbers of bytes to replace.

Mid Statement Example

This example uses the Mid statement to replace a specified number of characters in a string variable with characters from another string.

Dim MyString
MyString = "The dog jumps"   ' Initialize string.
Mid(MyString, 5, 3) = "fox"   ' MyString = "The fox jumps".
Mid(MyString, 5) = "cow"   ' MyString = "The cow jumps".
Mid(MyString, 5) = "cow jumped over"   ' MyString = "The cow jumpe".
Mid(MyString, 5, 3) = "duck"   ' MyString = "The duc jumpe".