CSC/ECE 517 Summer 2008/wiki1 1 mb: Difference between revisions

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== Regular expression support in Java and Ruby ==
== Regular expression support in Java and Ruby ==


=== What are regular expressions ===
=== What are regular expressions? ===
 
Regular expressions provide an efficient way to match patterns against strings. 
Both Java and Ruby use a
[http://www.regular-expressions.info/reference.html basic regular expression syntax]
similar to Perl. 


=== How regular expressions are handled in Java ===
=== How regular expressions are handled in Java ===

Revision as of 01:00, 7 June 2008

Regular expression support in Java and Ruby

What are regular expressions?

Regular expressions provide an efficient way to match patterns against strings. Both Java and Ruby use a basic regular expression syntax similar to Perl.

How regular expressions are handled in Java

An instance of the Pattern class represents a regular expression that is specified in string form in a syntax similiar to that used by Perl.

Package summary for java.util.regex
http://java.sun.com/j2se/1.4.2/docs/api/java/util/regex/package-summary.html

How regular expressions are handled in Ruby

Class summary for Regexp
http://www.ruby-doc.org/core/classes/Regexp.html

Other useful links

java.util.regex Examples from The Java Developers Almanac 1.4
http://exampledepot.com/egs/java.util.regex/pkg.html