Check for the presence of a META key. If your system has a standard META or ALT key, there is a good chance that you have another thirty shortcuts or so. See Configuration . Use turbo mode for lengthy operations. This can be a major plus if you are editing very long files, or if your terminal is slow.
Regular expressions are powerful, and slow.
Regular expressions must be studied very carefully. If you spend a lot of time doing editing, it is definitely reasonable to study even their most esoteric features. But remember always that regular expressions are much slower than a normal search. Use the right movement commands in a macro. Many boring, repetitive editing actions can be performed in a breeze by recording them the first time.