| ⇢ | A | Alphanum added | |
| ⇢ | A | Number added | |
| A | ↛ | Alphanumeric removed | |
| A | ↛ | Numeric removed |
| ⇢ | A | Alphanum::getDescription() added | |
| ⇢ | A | Alphanum::isMatch() added | |
| ⇢ | A | Number::getDescription() added | |
| ⇢ | A | Number::isMatch() added | |
| A | ↛ | Alphanumeric::getDescription() removed | |
| A | ↛ | Alphanumeric::isMatch() removed | |
| A | ↛ | Numeric::getDescription() removed | |
| A | ↛ | Numeric::isMatch() removed |