Mid (Statement)statement

Overwrites a substring of a string with another

Syntax

Declare Sub Mid ( ByRef text As String, ByVal start As Integer, ByVal length As Integer, ByRef expression As Const String )

Declare Sub Mid ( ByVal text As WString Ptr, ByVal start As Integer, ByVal length As Integer, ByVal expression As Const WString Ptr )

Parameters

Name		Description
`text`		The string to work with.
`start`		The start position in
`text`		of the substring to overwrite. The first character starts at position 1.
`length`		The number of characters to overwrite.

Description

Copies a maximum of length characters of expression into text, starting at start.

If length is not specified, all of expression is copied. The size of the string text is unchanged; if expression is too big, as much of it is copied up to the end of text.

Mid can also be used as a function to return part of another string. See Mid (Function).

Remarks

Usage



Mid( text, start ) = expression

Or

Mid( text, start, length ) = expression

Differences from QB

None

Example

Dim text As String



text = "abc 123"

Print text 'displays "abc 123"



' replace part of text with another string

Mid(text, 5, 3) = "456" 

Print text 'displays "abc 456"

Reference

Documented in KeyPgMidstatement.html