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# InStr Function

다른 문자열 내에서의 문자열 위치를 구합니다.

Instr 함수는 일치하는 문자열이 발견된 위치를 구합니다. 문자열이 발견되지 않을 경우 이 함수는 0을 구합니다.

### Syntax:

    InStr ([Start As Long,] String1 As String, String2 As String[, Compare As Integer]) As Integer

### Return type:

Integer

### Parameters:

Start: A numeric expression that marks the position in a string where the search for the specified substring starts. If you omit this parameter, the search starts at the first character of the string. The minimum allowed value is 1. The maximum allowed value is 2,147,483,648.

String1: The string expression being searched.

String2: The string expression that you want to search for.

Compare: Optional type of comparison. The value can be 0 or 1. The default value of 1 specifies case-insensitive. The value of 0 specifies case-sensitive.

Case-insensitive comparison may use locale specifics, for example, "s" may match "β".

To avoid a run-time error, do not set the Compare parameter if the Start parameter is omitted.

### Error codes:

5 잘못된 프로시저 호출입니다.

## 예:

    Sub ExamplePosition
      Const sCalc = "LibreOffice Calc"

      Instr(sCalc, "calc")     ' returns 13
      Instr(String1:=sCalc, String2:="calc", Start:=1)  ' returns 13
      Instr(11, sCalc, "c")     ' returns 13
      Instr(11, sCalc, "c",  1) ' returns 13
      Instr(11, sCalc, "c",  0) ' returns 16
    End Sub