how to use replace_range_copy()

[fanrongqi]

I study boost library,I don't know how to use the function

std::string str;
boost::algorithm::replace_range_copy(str,str,??,??  how to pass this parameter);

who can give an example for me? I am waiting online.

[chipp]

str is the string variable (which is defined in std namespace)

i don't know about algorithm function but you can find it in here:
http://www.cplusplus.com/algorithm