\|
Indicates alternation, house\|home
.
\+
Matches one or more of the preceding regular expression.
\=
Matches zero or one of the preceding regular expression.
\{
n
,
m
}
Matches n
to
m
of the preceding regular expression, as much as possible.
n
and m
are numbers between 0 and 32000;
vim
requires only the left brace to be
preceded by a backslash, not the right brace.
\{
n
}
Matches n
of the preceding regular expression.
\{
n
,}
Matches at least n
of the preceding regular expression,
as much as possible.
\{,
m
}
Matches 0 to m
of the preceding regular
expression,
as much as possible.
\{}
Matches 0 or more of the preceding regular expression, as much as
possible (same as *
).
\{-
n
,
m
}
Matches n
to m
of the preceding regular expression, as few as possible.
\{-
n
}
Matches n
of the preceding regular expression.
\{-
n
,}
Matches at least n
of the preceding regular expression,
as few as possible.
\{-,
m
}
Matches 0 to m
of the preceding regular
expression, as few as possible.
\i
Matches any identifier character, as defined by the isident
option.
\I
Like \i
, but excluding digits.
\k
Matches any keyword character, as defined by the iskeyword
option.
\K
Like \k
, but excluding digits.
\f
Matches any filename character, as defined by the isfname
option.
\F
Like \f
, but excluding digits.
\p
Matches any printable character, as defined by the isprint
option.
\P
Like \p
, but excluding digits.
\s
Matches a whitespace character (exactly space and tab).
\S
Matches anything that isn't a space or a tab.
\b
Backspace.
\e
Escape.
\r
Carriage return.
\t
Tab.
\n
Reserved for future use.
Eventually, it will be used
for matching multi-line patterns.
See the vim
documentation for more details.
~
Matches the last given substitute (i.e., replacement) string.
\(...\)
Provides grouping for *
, \+
,
and \=
, as well as making matched sub-texts
available in the replacement part of a substitute command
(\1
, \2
, etc.).
\1
Matches the same string that was matched by
the first sub-expression in \(
and \)
.
For example: \([a-z]\).\1
matches ata
, ehe
,
tot
, etc.
\2
, \3
, and so on may be used
to represent the second, third, and so forth subexpressions.