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# Mid Function, Mid Statement

Returns the specified portion of a string expression (Mid function), or replaces the portion of a string expression with another string (Mid statement).

### Sintaxe:

    Mid (Texto As String, Inicio As Integer [, Lonxitude As Integer]) ou Mid (Texto As String, Inicio As Integer , Lonxitude As Integer, Texto As String)

### Valor de retorno:

String (só na función)

### Parámetros:

Texto: Calquera expresión de cadea que queira modificar.

Start: Numeric expression that indicates the character position within the string where the string portion that you want to replace or to return begins. The minimum allowed value is 1. The maximum allowed value is 2,147,483,648.

Length: Numeric expression that returns the number of characters that you want to replace or return. The maximum allowed value is 2,147,483,648.

If the Length parameter in the Mid function is omitted, all characters in the string expression from the start position to the end of the string are returned.

If the Length parameter in the Mid statement is less than the length of the text that you want to replace, the text is reduced to the specified length.

Text: The string to replace the string expression (Mid statement).

### Códigos de erro

5 Chamada de procedemento incorrecta

### Exemplo:

    Sub ExampleUSDate
    Dim sInput As String
    Dim sUS_date As String
        sInput = InputBox("Introduza unha data en formato internacional 'AAAA-MM-DD'")
        sUS_date = Mid(sInput, 6, 2)
        sUS_date = sUS_date & "/"
        sUS_date = sUS_date & Right(sInput, 2)
        sUS_date = sUS_date & "/"
        sUS_date = sUS_date & Left(sInput, 4)
        MsgBox sUS_date
    End Sub

Temas relacionados

String functions