September 2002
Intermediate to advanced
1008 pages
22h 3m
English
book
XML Schema Complete Reference, The
by Cliff Binstock, Chris Galtenberg, Mike Wooding, Chris Dix, Mitchell Smith, Dave Peterson
Content preview from XML Schema Complete Reference, The
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Chapter 14. Regular Expressions
IN THIS CHAPTER
14.1 Concepts and Observations
14.2 Regular Expression Syntax
14.3 Constraining Simple Content
A regular expression is a pattern for identifying a range of string values. This pattern conforms to a specific grammar. The Schema Recommendation suggests that an XML validator should implement “Level 1” regular expressions as defined in the Unicode Regular Expression Guidelines. These guidelines reside at http://unicode.org/unicode/reports/tr18/.
An expression (without “regular”) is a regular expression snippet, or a part of a regular expression. An expression may match one or many characters. An expression may comprise an entire regular expression.
Notation Note
In this chapter, all strings that might ...
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