basic_string::const_iterator
A type that provides a random-access iterator that can access and read a const element in the string.
typedef implementation-defined const_iterator;
Remarks
A type const_iterator cannot be used to modify the value of a character and is used to iterate through a string in a forward direction.
Example
See the example for begin for an example of how to declare and use const_iterator.
Requirements
Header: <string>
Namespace: std