Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
An unsigned integral value initialized to –1 that indicates either "not found" or "all remaining characters" when a search function fails.
static const size_type npos = -1;
Remarks
When the return value is to be checked for the npos value, it might not work unless the return value is of type size_type and not either int or unsigned.
Example
See the example for find for an example of how to declare and use npos.
Requirements
Header: <string>
Namespace: std