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VBA-Excel : Strings Functions – Instr
Description:
Instr: This function returns the position of first occurrence of a string into another string, as a variant, based upon the arguments are provided.
Format:
InStr([start, ]mainString, searchedString[, compare])
Arguments:
- start
- Optional
- Type: Numeric
- Starting position from where search has to be started.
- Required if compare argument is specified.
- mainString
- Mandatory
- Type: String
- String being searched.
- searchedString
- Mandatory
- Type: String
- String to be searched.
- Compare
- Optional
- Specify type of string comparison.
- Settings
Constant | Value | Description |
vbBinaryCompare | 0 | Performs a binary comparison. |
vbTextCompare | 1 | Performs a textual comparison. |
vbDatabaseCompare | 2 | Microsoft Access only. Performs a comparison based on information in your database. |
Results:
Condition | Result |
mainString is zero-length | 0 |
mainString is NULL | NULL |
searchedString is zero-length | Start |
searchedString is NULL | NULL |
searchedString is not found | 0 |
searchedString found in mainString | Position at which match is found |
Start> searchedString | 0 |
Function FnInstrOperations() Dim mainString Dim searchString mainString = "SumitJain" searchString = "i" MsgBox "Position of 'i' is " & InStr(1, mainString, searchString, vbTextCompare) ' Output : Position is 'i' is 4 searchString = "i" MsgBox "Position of 'i' is " & InStr(1, mainString, searchString, vbBinaryCompare) ' Output : Position is 'i' is 4 searchString = "i" MsgBox "Position of 'i' is " & InStr(mainString, searchString) ' Output : Position is 'i' is 4 End Function
Also Read About Other String() Functions
INSTR() | InstrREV() | LCase()
Happy Macroing
Sumit Jain
Also Read:
- VBA-Excel: String Functions – Mid()
- VBA-Excel: Array Functions – Join() – Converts Array to String
- VBA-Excel : Strings Functions – Right
- VBA-Excel: Delete Blank Rows from Excel Work Sheet
- VBA-Excel: String Functions – Trim()