Column 1
========
Moving
------
`{` `}`
    beginning of *previous*, *next* paragraph
`(` `)`
    beginning of *previous*, *next* sentence
`0` `gm`
    *beginning*, *middle* of line
`^` `$`
    *first*, *last* character of line
`ngg` `nG`
    line n, default the *first*, *last*
`n%`
    percentage n of the file
`n|`
    column n of current line
`%`
    match of next brace, bracket, comment, #define
`nH` `nL`
    line n from *start*, *bottom* of window
    
`M`
    middle line of window
Editing
-------
`i` `a`
    insert *before*, *after* cursor
`I` `A`
    insert at *beginning*, *end* of line
`gI`
    insert text in first column
`o` `O`
    open a new line *below*, *above* the current line
`cc` `S`
    change current line
`C`
    change to the end of line
`gum` `gUm`
    *lowercase*, *uppercase* text of movement m
Copying
-------
`yy` `Y`
    yank current line into register
`p` `P`
    put register *after*, *before* cursor position
`]p` `[p`
    like `p`, `P` with indent adjusted
`gp` `gP`
    like `p`, `P` leaving cursor after new text
Column 2
========
VIM Regex
---------
``*``
    0 or more
``\+``
    1 or more
``\=``
    0 or 1
``\{n,m}``
    from n to m
``\{n}``
    exactly n
``\{n,}``
    at least n
``\{,m}``
    at most m
``\{-}``
    non-greedy ``*``
``\{-n,m}``
    non-greedy ``\{n,m}``
``\{-n,}``
    non-greedy ``\{n,}``
``\{-,m}``
    non-greedy ``\{,m}``
Column 3
========
re Extensions
-------------
``(?iLmsux)``
    the group matches the empty string; the letters set the corresponding flags
``(?:...)``
    a non-capturing version of regular parentheses
``(?P<name>...)``
    the substring matched by the group is accessible via the symbolic group
    name
``(?P=name)``
    matches whatever text was matched by the earlier named group named
    (backreference)
``(?#...)`` 
    the contents of the parentheses are simply ignored
``(?=...)``
    matches next, but doesn't consume any of the string (lookahead assertion)
``(?!...)``
    negative lookahead assertion
``(?<=...)``
    matches a preceding string (lookbehind assertion)
``(?<!...)``
    negative lookbehind assertion, patterns which start with it may match at
    the beginning of the string being searched
.. break the list
``(?(id/name)yes-pattern|no-pattern)``
    magic. ``(<)?(\w+@\w+(?:\.\w+)+)(?(1)>)``