| C-s | Incremental search forward |
| C-r | Incremental search backward |
| C-s RET | Non-incremental search forward |
| C-r RET | Non-incremental search backward |
| M-C-s | Incremental search forward by regexp |
| M-C-r | Incremental search backward by regexp |
| M-C-s RET | Non-incremental search forward by regexp |
| M-C-r RET | Non-incremental search backward by regexp |
| M-x replace-string | Unconditionally replace a string with another |
| M-x replace-regexp | Unconditionally replace a pattern with a substitution |
| M-% | Query replace |
| M-C-% | Query replace regexp |
| M-x occur | Find all occurrences of a pattern - powerful |