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^ metacharacter and matches only those characters not in that class. Example: [^abc] matches all characters except a, b, and c. The following command line offers a second example:java RegexDemo [^csw] cave
java RegexDemo [^csw] cave matches a, v, and e with their counterparts in cave. No other matches exist.
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http://www.javaworld.com/javaworld/jw-02-2003/java101/jw-0207-java101.zip - For a glossary specific to this article, homework, and more, see the Java 101 study guide that accompanies this article
http://www.javaworld.com/javaworld/jw-02-2003/jw-0207-java101guide.html - "Magic with MerlinParse Sequences of Characters with the New regex Library," John Zukowski (IBM developerWorks, August 2002) explores java.util.regex's support for pattern matching and presents a complete example that finds the longest
word in a text file
http://www-106.ibm.com/developerworks/java/library/j-mer0827/ - "Matchmaking with Regular Expressions," Benedict Chng (JavaWorld, July 2001) explores regexes in the context of Apache's Jakarta ORO library
http://www.javaworld.com/javaworld/jw-07-2001/jw-0713-regex.html - "Regular Expressions and the Java Programming Language," Dana Nourie and Mike McCloskey (Sun Microsystems, August 2002) presents
a brief overview of java.util.regex, including five illustrative regex-based applications
http://developer.java.sun.com/developer/technicalArticles/releases/1.4regex/ - In "The Java Platform" (onJava.com), an excerpt from Chapter 4 of O'Reilly's Java in a Nutshell, 4th Edition, David Flanagan presents short examples of CharSequence and java.util.regex methods
http://www.onjava.com/pub/a/onjava/excerpt/javanut4_ch04 - The Java Tutorial's "Regular Expressions" lesson teaches the basics of Sun's java.util.regex package
http://java.sun.com/docs/books/tutorial/extra/regex/index.html - Wikipedia defines some regex terminology, presents a brief history of regexes, and explores various regex syntaxes
http://www.wikipedia.org/wiki/Regular_expression - Read Jeff's previous Java 101 column"Tools of the Trade, Part 3" (JavaWorld, January 2003)
http://www.javaworld.com/javaworld/jw-01-2003/jw-0103-java101.html? - Check out past Java 101 articles
http://www.javaworld.com/javaworld/topicalindex/jw-ti-java101.html - Browse the Core Java section of JavaWorld's Topical Index
http://www.javaworld.com/channel_content/jw-core-index.shtml - Need some Java help? Visit our Java Beginner discussion
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