XSLT 2.0 and XPath 2.0 Programmer's Reference, 4th Edition (122 page)

Read XSLT 2.0 and XPath 2.0 Programmer's Reference, 4th Edition Online

Authors: Michael Kay

BOOK: XSLT 2.0 and XPath 2.0 Programmer's Reference, 4th Edition
6.97Mb size Format: txt, pdf, ePub

,
)
,
[
or
]
escaped by preceding it with a backslash
\
, or one of the symbols
\n
,
\r
,
\t
representing a newline, carriage return, or tab, respectively.

Construct
Matches a string S if . . .
A|B
S matches either A or B.
AB
The first part of S matches A and the rest matches B.
A?
S either matches A or is empty.
A*
S is a sequence of zero or more strings that each match A.
A+
S is a sequence of one or more strings that each match A.
A{n,m}
S is a sequence of between n and m strings that each match A.
A{n,}
S is a sequence of n or more strings that each match A.
A{n}
S is a sequence of exactly n strings that each match A.
Q?
Where Q is one of the regular expressions described in the previous six rows: matches the same strings as Q, but using nongreedy matching.
(A)
S matches A.
c
S consists of the single character c.
[abc]
S consists of one of the characters a, b, or c.
[
∧
abc]
S consists of a single character that is not one of a, b, or c.
[a-b]
S is a character whose Unicode codepoint is in the range a to b.
\p{prop}
S is a character that has property prop in the Unicode database.
\P{prop}
S is a character that does not have property prop in the Unicode database.
.
S is any single character (in dot-all mode) or any single character other than a newline (when not in dot-all mode).
\s
S is a single space, tab, newline, or carriage return.
\S
S is a character that does not match \s.
\i
S is a character that can appear at the start of an XML Name.
\I
S is a character that does not match \i.
\c
S is a character that can appear in an XML Name.
\C
S is a character that does not match \c.
\d
S is a character classified in Unicode as a digit.
\D
S is a character that does not match \d.
\w
S is a character that does not match \W.
\W
S is a character that is classified in Unicode as a punctuation, separator, or “other” character.
∧
Matches the start of the input string, or the start of a line if in multiline mode.
$
Matches the end of the input string, or the end of a line if in multiline mode.

Other books

The Coral Thief by Rebecca Stott
The Beach House by Jane Green
Blood of a Barbarian by John-Philip Penny
Out of Nowhere by Roan Parrish
MY FAIR BILLIONAIRE by ELIZABETH BEVARLY,
Sharky's Machine by William Diehl
Lauri Robinson by DanceWith the Rancher
Pisando los talones by Henning Mankell
Grace by Natashia Deon