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API > API/Runtime > API/Runtime/Core > API/Runtime/Core/Containers > API/Runtime/Core/Containers/FString > API/Runtime/Core/Containers/FString/Find
References
| Module | Core |
| Header | /Engine/Source/Runtime/Core/Public/Containers/UnrealString.h |
| Include | #include "Containers/UnrealString.h" |
int32 Find
&40;
const FString & SubStr,
ESearchCase::Type SearchCase,
ESearchDir::Type SearchDir,
int32 StartPosition
&41; const
Remarks
Searches the string for a substring, and returns index into this string of the first found instance. Can search from beginning or end, and ignore case or not. If substring is empty, returns clamped StartPosition.
When searching backwards where a StartPosition is provided, searching will actually begin from StartPosition - SubStr.Len(), therefore:FString("X").Find("X", ESearchCase::CaseSensitive, ESearchDir::FromEnd, 0) == INDEX_NONE
Consider using UE::String::FindLast() as an alternative.
Parameters
| Name | Description |
|---|---|
| SubStr | The string array of TCHAR to search for |
| StartPosition | The start character position to search from. See note below. |
| SearchCase | Indicates whether the search is case sensitive or not |
| SearchDir | Indicates whether the search starts at the beginning or at the end. |