\r
const std::string SimpleCaptcha::GenerateRandomString(const int len)\r
{\r
- static std::string chars="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";\r
+ // no l,1 O,0 because they look too much alike\r
+ static std::string chars="abcdefghijkmnopqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ23456789";\r
std::string temp="";\r
for(int i=0; i<len; i++)\r
{\r