Find last of.
size_type CL_StringData8::find_last_of( char c, size_type pos = npos ); size_type CL_StringData8::find_last_of( const char * s, size_type pos, size_type n); size_type CL_StringData8::find_last_of( const char * s, size_type pos = npos ); size_type CL_StringData8::find_last_of( const CL_StringData8 & s, size_type pos = npos );