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API > API/Runtime > API/Runtime/Core > API/Runtime/Core/Containers > API/Runtime/Core/Containers/FString
References
| Module | Core |
| Header | /Engine/Source/Runtime/Core/Public/Containers/UnrealString.h |
| Include | #include "Containers/UnrealString.h" |
| Source | /Engine/Source/Runtime/Core/Private/Containers/String.cpp |
bool IsNumeric&40;&41; const
Remarks
Returns true if the string only contains numeric characters