D-Link DVX-7090 User Manual page 65

.
\d
\D
\s
\S
\w
\W
^
$
\b
\B
\A
\G
\Z
\z
X?
X*
X+
X{n}
X{n,}
X{n,m}
X??
X*?
X+?
X{n}?
X{n,}?
X{n,m}?
X?+
DVX-7090 VoIP Router
Any character (may or may not match line terminators)
A digit: [0-9]
A non-digit: [^0-9]
A whitespace character: [ \t\n\x0B\f\r]
A non-whitespace character: [^\s]
A word character: [a-zA-Z_0-9]
A non-word character: [^\w]
Boundary matchers
The beginning of a line
The end of a line
A word boundary
A non-word boundary
The beginning of the input
The end of the previous match
The end of the input but for the final terminator, if any
The end of the input
Greedy quantifiers
X, once or not at all
X, zero or more times
X, one or more times
X, exactly n times
X, at least n times
X, at least n but not more than m times
Reluctant quantifiers
X, once or not at all
X, zero or more times
X, one or more times
X, exactly n times
X, at least n times
X, at least n but not more than m times
Possessive quantifiers
X, once or not at all
Configuration How-to's
page 65 of 83